航海英語_新題庫_2501翻譯

1、航海英語 光盤版 翻譯0001. _D_ are published for the correction of Admiralty Charts7 下列哪項出版物用來改正英版海圖AAdmiralty Sailing Directions 英版航路指南BAdmiralty List of Signals 英版信號表CMariner's Handbook航海員手冊DAdmiralty Notices to Mariners英版航海通告0002. _C_ gives a description of the combined Cardinal and Lateral Buoyage sys

2、tem including textual and diagrammatic explanations of the five types of marks；lateral；cardinal，isolated danger；safe water and special marks 下列哪項出版物用文字及圖式詳細地介紹了方位標(biāo)及側(cè)面標(biāo)系統(tǒng)（包括5種標(biāo)志：側(cè)面標(biāo)、方位標(biāo)、孤立危險物標(biāo)、安全水域標(biāo)及特殊標(biāo)）。AOcean Passages for the World（NP136）世界大洋航路BSymbols and Abbreviations used on Admiralty Charts，Cha

3、rt 5011 英版海圖圖式及簡寫CIALA Maritime Buoyage System（NP735）IALA航海浮標(biāo)系統(tǒng)DThe Mariners Handbook（NP100）航海員手冊0003. _A_ gives daily predictions of the times and heights of high and low waters for over 230 standard and 6，000 secondary ports in the world 下列哪項出版物對全世界超過230個基準（主潮）港及6000個附潮港每日的潮高及潮時給出預(yù)報。AAdmiralty Tid

4、e Tables 英版潮汐表BAdmiralty Tidal Stream Atlases 英版潮流表CAdmiralty Manual of Tides（NP120）英版潮汐說明書DAdmiralty Tidal Handbooks（NP122 1-3）英版潮汐手冊0004. _D_ gives listings of all lighthouses，lightships，lit floating marks（over 8m in height），fog signals and lights of navigational significance 下列哪項出版物列出了所有對航海有影響的燈塔

5、、燈船、燈浮標(biāo)（高度超過8米）、霧號和霧燈。AOcean Passages for the World（NP136）世界大洋航路BAdmiralty List of Radio Signals 英版無線電信號表CIALA Maritime Buoyage System（NP735）IALA航海浮標(biāo)系統(tǒng)DAdmiralty List of Lights and Fog Signals英版燈標(biāo)霧號表0005. _D_ is a comprehensive reference in graphical and textual form of all Admiralty Charts and Publ

6、ications worldwide（link to Admiralty Charts）listed by region下列哪項出版物根據(jù)不同的區(qū)域，對全世界所有的英版海圖及出版物用文字及圖表分別給出全面的索引及參考（聯(lián)系到英版海圖）AOcean Passages for the World（NP136）世界大洋航路BSymbols and Abbreviations used on Admiralty Charts，Chart 5011 英版海圖圖式及簡寫CIALA Maritime Buoyage System（NP735）IALA航海浮標(biāo)系統(tǒng)DCatalogue of Admiralty

7、 Charts and Publications（NP131）英版海圖及出版物總索引0006. _C_ offers a detailed description of tidal theory and its application to the analysis and prediction of tides and tidal streams下列哪項出版物對潮汐與潮流的分析及預(yù)報的原理給予詳細的描述。AOcean Passages for the World（NP136）世界大洋航路BAdmiralty Tidal Stream Atlases 英版潮流表CAdmiralty Manua

8、l of Tides（NP120）英版潮汐說明書DAdmiralty Tidal Handbooks（NP122 1-3）英版潮汐手冊0007. _D_ outlines the Admiralty method of Harmonic tidal analysis for long and short observation periods plus a volume on datums for hydrographic surveys 下列哪項英版出版物列出了對長、短期觀測資料加上水道測量資料進行潮汐協(xié)調(diào)分析的方法AOcean Passages for the World（NP136） 世

9、界大洋航路BAdmiralty Tidal Stream Atlases英版潮流表CAdmiralty Manual of Tides（NP120）英版潮汐說明書DAdmiralty Tidal Handbooks（NP122 1-3）英版潮汐手冊0009. A crew member has just fallen overboard off your port sideWhich action should you take _B_有一船員剛剛從你船左舷落水，你應(yīng)采?。ǎ〢immediately put the rudder over hard right 立即向右打滿舵Bimmediat

10、ely put the rudder over hard left立即向左打滿舵Cimmediately put the engines astern 立即倒車Dwait until the stern is well clear of the man and then put the rudder over hard right 等該船員與船尾清爽后再打右滿舵0010. A flooded lifeboat on board a vessel would adversely affect the vessel's stability by _D_102船上救生艇進水對船舶穩(wěn)性造成的負

11、面影響是（）Aincreasing the righting moment 增大扶正力矩Bdecreasing the vessel's displacement 減少船舶排水量Cincreasing the reserve buoyancy 增加剩余浮力Dshifting the CG（center of gravity）off center 使重心偏離中心線0011. A life line must be connected to the liferaft _D_ 救生扶手繩應(yīng)裝在救生筏的（）Aat the bow 船艏Bat the stern 船艉Cin the middle

12、 船舯Dall around 四周0014. A light signal consisting of three flashes means _D_128由三閃組成的燈光信號表示（）AI am in doubt as to your actions 我對你的行動有懷疑BMy engines are full speed astern 我正全速倒車CI desire to overtake you 我想追越你船DI am operating astern propulsion 我正在向后倒車0016. The Lists of Meteorological Observation Statio

13、ns can be found in _A_ 氣象觀測臺的臺站名錄可在（）查到AALRS 英版無線電信號表BALL 英版燈標(biāo)表CAMC英版航海通信 DATT英版潮汐表 0017. A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating _D_ 某船上有一個人，雙臂張開，上下擺動，表示（）Adanger，stay away 危險，離這遠點Ball is clear，it is safe to pass 清爽，可安全通過Call is clear

14、，it is safe to approach 一切清爽，放心靠近Da distress signal 一種遇險信號0023. Admiralty EasyTide _A_ 英版EasyTideAhas little use for ocean-going mariners 對遠洋航行沒什么作用Bpermits the mariner to select and simultaneously calculate tidal heights for multiple ports for up to seven days 可供航海者選擇并同時計算各種港口長達7天的潮高Cincludes perio

15、ds of daylight and nautical twilight，moon phases and a springs and neaps indicator 包括白天、航海晨昏蒙影、月相、高、大潮和小潮的周期顯示Dis supplied in the form of a single CD which contains the calculation program and the seven geographic Area Data Sets（ADS）providing global coverage 通過CD的方式提供，包含計算程序及覆蓋全球的七個區(qū)域的資料0022. Accord

16、ing to the regulations，the capacity of a liferaft is required to be marked _B_ 按規(guī)定，救生筏的載客量必需品必須標(biāo)志在（）AOn the Muster List 應(yīng)急部署表中BAt the liferaft stowage location 救生筏存放位置COn the Certificate of Inspection 在檢查證書中DIn the Operations Manual 在操作說明書中0029. After the boat is at the top of the davit heads，the da

17、vit arms begin moving up the tracks and are stopped by the _B_ 救生艇升到吊艇架頭后，吊臂開始沿軌跡向上移動，并被（）停住。Ahoist man 吊艇人員Blimit switch 限位開關(guān)Cbrake handle 剎車控制手柄Dpreventer bar 防護條0032. An inflatable liferaft is hand-launched by _D_ 通過（）手動釋放救生筏Apulling a cord 拉動一根細繩Bcutting the wire restraining bands 解開固定鋼絲Cremovin

18、g the rubber packing strip 解開橡膠包裝帶Dthrowing the entire container overboard 把整個包裝箱拋入海中0033. An inflatable liferaft should be manually released from its cradle by _D_356氣脹式救生筏可以通過（）從它的支架上手動釋放Acutting the straps that enclose the container 砍斷包住包裝箱的帶子Bremoving the rubber sealing strip from the container

19、從包裝箱上解開橡皮綁扎帶Cloosening the turnbuckle on the securing strap 松開綁扎帶上的花籃螺絲（松緊螺旋扣）Dpushing the button on the hydrostatic release 按下靜水力釋放器上的按鈕0034. An on-load release system on a survival craft means the cable can be released _D_363救助筏上可在載荷狀態(tài)下解脫的釋放系統(tǒng)表示鋼絲繩可在（）下解脫Aonly when the load is taken off the cable

20、僅當(dāng)鋼絲繩不受力時Bonly when there is a load on the cable 僅當(dāng)鋼絲繩受力時Conly when activated by the controls at the lowering station僅當(dāng)在下降位置由控制手柄啟動 Dat any time 任何時候0035. An orange flag showing a black circle and square is a _B_364一面橙色旗幟上顯示一個黑色的圓形和方塊，表示（）ASignal indicating a course change 表示航向改變的信號BDistress signal

21、遇險信號CSignal of asking to communicate with another vessel 想與他船聯(lián)系的信號DSignal indicating danger 0036. Attention is _D_ the advice on the use of charts in The Mariner's Handbook Chapter 3，Section 1400AFixed to固定到 BNeeded for需要 CPushed to推到 DDrawn to 吸引到請注意（注意力必須被）英版航海員手冊第三章第一節(jié)關(guān)于海圖使用的一些建議。0038. For de

22、tails of these and other lights the larger scale charts and Admiralty Lists should be _B_544對于這些及其他燈標(biāo)的詳細資料，請（）更大比例尺海圖及英版燈標(biāo)表Aconsidered考慮 Bconsulted 參考Cconcluded 得出結(jié)論Dcommanded 命令0039. Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in

23、_A_ 對海圖、燈標(biāo)及航路指南的重要改正（包括臨時改正）列在（）AWeekly Admiralty Notices to Mariners 第周版的英版航海通告BThe Mariners Handbook（NP100） 航海員手冊COcean Passages for the World（NP136） 世界大洋航路DSymbols and Abbreviations used on Admiralty Charts，Chart 5011 英版海圖圖式及簡寫0040. Information on the operating times and characteristics of foreig

24、n radiobeacons can be found in which publication _A_ 有關(guān)外國的無線電信標(biāo)的工作時間及特性的資料可在（）查到。AList of Lights 燈標(biāo)表BCoast Pilot 沿岸航路指南CSailing Directions 航路指南DList of Radiobeacons 0041. Light Lists for coastal waters are _D_794沿岸的燈標(biāo)信號（）Apublished every year and require no corrections 每年發(fā)布一次且無須改正Bpublished every se

25、cond year and must be corrected 每兩年發(fā)布一次并需改正Cpublished every five years and require no correction 每五年發(fā)布一次且無須改正Daccurate thru NM number on title page and must be corrected 可通過目錄頁上的通告編號改正且必須改正0042. Lines drawn through points on the Earth having the same atmospheric pressure are known as _C_798在地球表面，連接所

26、有具有相同的大氣壓的點所形成的線，叫（）AIsothermal 等溫線BMillibars 毫巴CIsobars 等壓線DSeismics 地震0043. Many of the lights on this coast are placed so high as to be frequently obscured by _D_ 這里海岸附近的燈標(biāo)往往布置得很高，經(jīng)常被（）遮蔽APower 電力BTower 塔CCover 蓋DShower 陣雨0044. Mariners not entering the port are _A_ to keep at least one mile off（

27、）進港的航海者最少保持在一海里以外。AAdvised建議 BReported報告 CComplied 遵守DSupplied 提供0045. Mean high water is the average height of _D_821平均高潮面是指（）的平均潮高AThe higher high waters 高高潮BThe lower high waters 低高潮CThe lower of the two daily tides兩次日潮中較低的一次DAll high waters 所有高潮0046. Of the following，_A_ is not likely found in T

28、he Mariners Handbook（NP100）以下（）不太可能在航海員手冊中查到Anavigational hazards and buoyage，meteorological data，details of pilotage，regulations，port facilities and guides to major port entry 航海危險物、燈標(biāo)、氣象、引航的詳細情況、規(guī)定、港口設(shè)施及主要港口的進港指南Binformation on charts 關(guān)于海圖的資料Cinformation on operational information and regulation 有

29、關(guān)操作資料及規(guī)則的資料Dinformation on tides，currents and characteristics of the sea 有關(guān)潮汐、潮流及海浪特性的資料0047. On a voyage from Capetown to London，the favorable ocean current off the coast of Africa is the _B_ 從開普敦開往倫敦，在非洲沿岸對航行有利的洋流是（）ACanary Current 加那利海流BBenguela Current 本格拉海流CAgulhas Current 厄加勒斯海流DSouth Atlantic

30、 Current 南大西洋海流0048. On an Atlantic Ocean voyage from New York to Durban，South Africa，you should expect the Agulhas Current to present a strong _C_ 在大西洋中，從紐約開往南非的德班，你預(yù)計會遇到（）Aoffshore set 離岸的Bonshore set 向岸的Chead current 頂流Dfair or following current 順流0049. The Coast Radio Stations are found in _C_ 沿

31、岸無線電臺站可在（）中查到AAdmiralty List of Lights and Fog Signals 英版燈標(biāo)霧號表BAdmiralty Maritime Communications 英版航海通信CAdmiralty List of Radio Signals英版無線電信號表DAdmiralty Digital List of Lights 0050. The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in _

32、B_ 對主潮港每日高、低潮潮高及潮時的預(yù)報資料在（）列出AAdmiralty Maritime Communications 英版航海通信BAdmiralty Tide Tables 英版潮汐表Ca comprehensive guide for the yachtsman DALRS 英版無線電信號表0051. The information on _B_ is not likely found in The Mariners Handbook（NP100） （）不太可能在航海員手冊中查到AIALA Buoyage system IALA浮標(biāo)系統(tǒng)Bhydrography，topography

33、，navigational aids and their services 水道測量、地形學(xué)、助航標(biāo)志及其服務(wù)Cbasic meteorology and navigation in ice and hazards and restrictions to navigation 氣象基本知識、冰區(qū)航行航行危險物及礙航物Dinformation on tides，currents and characteristics of the sea有關(guān)潮汐、潮流及海浪特性的資料0052. The information on ocean voyage planning with routeing deta

34、ils for powered and sailing vessels is likely found in _A_ 有關(guān)機動船及帆船的航線計劃的資料可在（）查到AOcean Passages for the World（NP136）世界大洋航路BSymbols and Abbreviations used on Admiralty Charts，Chart 5011 英版海圖圖式及簡寫CWeekly Admiralty Notices to Mariners 每周版的航海通告DThe Mariners Handbook（NP100） 航海員手冊0053. The international

35、number，location and/or name，geographical co-ordinates，characteristics and intensity，elevation in metres，range in sea miles and description of structure of a light can be found in _D_ 有關(guān)燈標(biāo)的國際編號、位置、名稱、地理坐標(biāo)、特征、識別、高程、能見距及燈標(biāo)的描述可在（）找到。AOcean Passages for the World（NP136） 世界大洋航路BAdmiralty List of Radio Sig

36、nals 無線電信號表CIALA Maritime Buoyage System（NP735）IALA航海燈標(biāo)系統(tǒng)DAdmiralty List of Lights and Fog Signals 無線電燈標(biāo)霧號表0054. The latest known details of lights are given in _C_ 關(guān)于燈標(biāo)的最近資料在（）Agives daily predictions of the times and heights of high and low water for a selection of Standard Ports 給出主潮港的每日高、低潮的潮時及潮

37、高的預(yù)報Blists the principal harmonic constants for all those ports where they are known，for use for prediction by the Simplified Harmonic Method of Tidal Prediction 給出所有已知的港口的主要協(xié)調(diào)分析常數(shù)（以供用簡化的潮汐協(xié)調(diào)分析法預(yù)測潮汐時使用）Cis a comprehensive guide for the yachtsman 是對艇員的全面的指導(dǎo)Dpermits the mariner to select and simultane

38、ously calculate tidal heights for multiple ports for up to seven days可供航海者選擇并同時計算各種港口長達7天的潮高0055. The light vessel is reported _B_ 據(jù)報告那條燈船（）Ato be destroyed 被毀壞Bto be demolished被拆除Cto be ruined被毀滅;毀壞Dto be spoiled被損壞;糟蹋;搞糟0057. The major tidal streams for selected waters of North West Europe are sho

39、wn in diagrammatic（圖表的）form in _A_ 歐洲西北部某些水域的主要的潮流在（）中用圖表顯示AAdmiralty Tidal Stream Atlases 英版潮流表BAdmiralty Tidal Stream Atlases英版潮流表CAdmiralty Manual of Tides（NP120） 英版潮汐說明書DAdmiralty Tidal Handbooks（NP122 1-3） 英版潮汐手冊0058. The program of graphical（圖解的）predictions of height against time for a period

40、of up to seven consecutive days is contained in _A_ 對某些地方長達7天潮高進行預(yù)測的圖解程序包含在（）ASHM 簡化的潮汐協(xié)調(diào)分析法（for window）BAdmiralty TotalTide 個人電腦用的潮汐預(yù)報程序CAdmiralty EasyTide網(wǎng)上潮汐預(yù)報DOcean Passages for the World 世界大洋航路0059. To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tab

41、les is _B_ 當(dāng)使用潮汐表預(yù)算實際水深時，從潮汐表中得到的數(shù)字（）Athe actual depth （是）實際水深Badded to or subtracted from the charted depth 加上海圖水深或從中減去Cmultiplied by the charted depth 與海圖水深相乘Ddivided by the charted depth除以海圖水深0060. What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to _D_1405英版

42、燈標(biāo)霧號表有什么用？它們用來（）AMention signal stations and ice，storm，traffic and port signals 提到信號臺站、冰情、交通情況及港口信號BGive the international numbers of lights 給出燈標(biāo)的國際編號CGive the correction of the lights and fog signals 給出燈標(biāo)霧號的改正資料DGive the information on the lights and fog signals 給出有關(guān)燈標(biāo)霧號的信息資料第四節(jié) 海圖及海圖作業(yè) 0062. _D_ c

43、hart 3994，positions read from this chart should be shifted 0.03 minutes Northward11為與3994號海圖（），從本圖上讀取的船位需向北移0.03海里。ATo consider 考慮BTo check檢查 CTo examine檢查、測試 DTo agree with 相符0063. _D_ is not a position-fixing system （）不是一種定位系統(tǒng)AHifix 哈飛克斯定位系統(tǒng)BHyperfix 哈皮飛克斯定位系統(tǒng)CTrisponder 三應(yīng)定位系統(tǒng)DWGS84 （WGS84:World

44、Geodetic System 1984，是為GPS全球定位系統(tǒng)使用而建立的坐標(biāo)系統(tǒng)。）0064. _B_ the incomplete nature of the survey，heavy draught vessels are warned not to navigate within the 10 fathom line27（由于）測量資料不全面，深吃水船舶被警告不要在10拓等深線內(nèi)航行。ABecause BOwing to CHaving been DBeing 0065. A chart position enclosed by a square is a（n）_B_ 在海圖上用一個

45、方框圍起來的船位是（）Afix 定位Bestimated position 預(yù)計船位Cdead reckoning position 推算船位Drunning fix 移線定位船位0066. A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the _C_56用來描繪地球兩極部分區(qū)域和相鄰子午線兩邊的小部分區(qū)域，有時用來制做索星圖，這種海圖投影法是（）AAzimuthal

46、 gnomonic projection 方位球心投影法BLambert conformal projection蘭勃特正形投影，該投影用一個設(shè)想的圓錐切于或割于地球面兩 緯線上，應(yīng)用等角條件將地球面上經(jīng)緯線 網(wǎng)投影到圓錐面上，沿一母線展開成平面。 緯線投影為同心圓弧，經(jīng)線投影為同心圓 半徑，兩經(jīng)線間夾角與相應(yīng)經(jīng)差成正比。該 投影角度不變形，切緯線或割緯線(稱標(biāo)準 緯線)不變形，遠離標(biāo)準緯線變形逐漸增 大。適合于制作沿緯線延伸地區(qū)地圖的數(shù) 學(xué)基礎(chǔ)，廣泛用于制作中、小比例尺區(qū)域地 圖。CTransverse Mercator projection橫軸墨卡托投影（即UTM投影），假想一個圓錐其軸與

47、地球橢球旋轉(zhuǎn)軸重合地套在橢球上，按等角的條件把地球橢球上經(jīng)緯線投影到圓錐面上，然后沿一條母線(經(jīng)線)將圓錐面切開展成平面，這就是正軸等角圓錐投影。這種投影最適合于中緯度地區(qū)，為世界上許多國家制作地圖所使用。DPolyconic projection 多圓錐形投影法，假想用一系列同軸圓錐切于地球各緯線上，將地球上的經(jīng)緯線投影到各圓錐面上，然后沿某一母線展開而成。0067. A chart with a scale of 1:80，000 would fall into the category of a _C_ 海圖比例尺為1:80，000的海圖將歸入下列哪一類（）Asailing chart航

48、行圖Bgeneral chart普通海圖Ccoastal chart 沿岸海圖Dharbor chart 港圖0068. A polyconic projection is based on a _D_156多多圓錐形投影法的原理是基于（）APlane tangent at one point 在一點上的平面切線BCylinder tangent at one parallel 在一條平行線上柱狀投影CCone tangent at one parallel 在一條平行線上的錐形投影DSeries of cones tangent at selected parallels 在一些選好的平行線

49、上的一系列的錐形投影0069. A revised print of a chart is made _C_172（何時）出修訂版海圖Aafter every major hydrographic survey of the area covered by the chart 每次海圖覆蓋區(qū)域經(jīng)重要的海道測量后Bwhen there are numerous corrections to be made or the corrections are extensive 經(jīng)過多次改正或改正范圍比較廣Cwhen a low-stock situation occurs and minor corr

50、ections are made （當(dāng)前版）海圖庫存少，且對該海圖的改正比較少Devery two years to update the magnetic variation information 每兩年對磁差資料進行更新0070. A true bearing of a charted object，when plotted on a chart，will establish a _B_ 當(dāng)在海圖上標(biāo)繪圖示物標(biāo)的真方位時，該（方位線）將構(gòu)成（）AFix 定位BLine of position 船位線CRelative bearing 相對方位DRange 距離0071. All stra

51、ight lines represent great circle tracks on a chart based on a（n）_D_324在海圖上代表大圓的所有直線是基于（）AMercator projection 墨卡托投影，由荷蘭地圖學(xué)家墨卡托(C. Mercator)于1569年創(chuàng)擬即正軸等角圓柱投影。假想一個與地軸方向一致的圓柱體面切于地球，將經(jīng)緯網(wǎng)投影到圓柱面上，將圓柱面展開為平面所得到的一種等角投影由荷蘭地圖學(xué)家墨卡托(C. Mercator)于1569年創(chuàng)擬即正軸等角圓柱投影。假想一個與地軸方向一致的圓柱體面切于地球，將經(jīng)緯網(wǎng)投影到圓柱面上，將圓柱面展開為平面所得到的一種等角

52、投影BPolyconic projection多圓錐形投影法COrthographic projection正射投影，一種任意性質(zhì)的透視方位投影。承影面切于球面，視點位于無限遠處，投影線互相平行且垂直于承影面。DGnomonic projection球心投影，投影平面與地球相切，投影原點在球心。切點附近可認為無變形。常用以繪制大比例尺港泊圖。0072. Areas enclosed by a long and short dashed magenta line indicate _C_378（在海圖上）由品紅色的長、短虛線圍起來的區(qū)域表示（）ACable areas 電纜區(qū)域BDumping

53、grounds 垃圾傾倒區(qū)CFish trap areas 漁柵DPrecautionary areas 警戒區(qū)0073. Chart legends printed in capital letters show that the associated landmark is _B_455在海圖上與陸標(biāo)有關(guān)的圖示，該圖示用大寫字母印制，表示該陸標(biāo)（）Ainconspicuous 不顯著Bconspicuous 顯著的Ca government facility or station 政府設(shè)施或臺站Da radio transmitter 無線電發(fā)射臺0074. Charts should b

54、e corrected by using information published in the _C_459海圖應(yīng)用（）發(fā)布的資料改正ALight List 燈標(biāo)表BAmerican Practical Navigator美洲實用航海，美國獨立之后的第一位數(shù)學(xué)家 Bowditch（17731838年）寫的一本書CNotice to Mariners 航海通告DCoast Pilot 沿岸航路指南0075. Charts showing the coast of Mexico are produced by the United States _A_ 顯示墨西哥沿岸的海圖是由美國（）印制的A

55、National Geospatial-Intelligence Agency （a combat support agency that provides geographic intelligence in support of national security）美國的一個為國家安全提供地理情報資料的戰(zhàn)爭支持機構(gòu)BCoast Guard 海岸警衛(wèi)隊CNaval Observatory 海軍觀測臺DNational Ocean Service 國家海洋服務(wù)機構(gòu)0076. Distance along a track line is measured on a Mercator chart by using the _A_493在墨卡托海圖上，在航跡線上量取航程用（）Alatitude scale near the middle of the track line 接近航跡線中間的單位緯度標(biāo)尺Blongitude scale near the middle of the track line 接近航跡線中間的單位經(jīng)度標(biāo)尺Clatitude scale at the midlatitude of the chart 海圖緯度中間的緯單位緯度標(biāo)尺Dlatitude or lo