正當航線 的英文怎麼說

中文拼音 [zhēngdānghángxiàn]
正當航線 英文
proper course
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 當Ⅰ形容詞(相稱) equal Ⅱ動詞1 (擔任; 充當) work as; serve as; be 2 (承當; 承受) bear; accept...
  • : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 正當 : 正當(正處在) just when; just the time for
  • 航線 : air line; air route; route; airway; shipping line; way; itinerary; azimuth; pathway; trajectory; ...
  1. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內容包括:一、總結分析了前水下導的常用方法和不足之處,指出基於位推算的導方法,存在著最大的問題就是導誤差的積累問題,如果沒有修系統,這種方法很難滿足使用要求;其次指出基於聲學的導方法,造價昂貴,導范圍有限,難以滿足自主水下行器大范圍導的需求;二、總結了前水下地形輔助導的主要技術路,一是基於地形高程的匹配方法,這是前研究的重點;二是基於地形圖像的匹配方法,由於缺乏良好的圖像傳感器,和可用的海底圖像地圖,目前這種方法還有待研究發展;三、將兩種地形高程匹配的常用方法應用到自主水下行器上:以相關演算法為前提的地形輪廓匹配( tercom )方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導( sitan )方法,前者演算法簡單可靠,但是導精度不高,後者雖然精度比較高,但存在著演算法較為復雜、有可能發散和出現奇異值等問題。
  2. This gentleman, on january 12, 2006, was cruising up the coastline of california when he went to check out a lobster trap, and as he did, he fell overboard. his boat drifted away and he was left in the pacific fending for his life. the events that took place and the way god touched his life is truly miraculous

    這位男士在2006年1月2日駕船沿加州的海岸行,要查看一個捕蝦器,不慎掉到海里,他的船開走了,剩下他在太平洋掙扎求存他所遭遇的一連串事件,和神觸摸他生命的方法,的確是神跡。
  3. Gaetano skirted the light, carefully keeping the boat in the shadow ; then, when they were opposite the fire, he steered to the centre of the circle, singing a fishing song, of which his companions sung the chorus

    蓋太諾沿著光圈的邊緣行,小心地使船保持在光之外就這樣,他們駛到火光面的時候,他就筆直地駛入光圈的中心,嘴裏唱起了一首漁歌,他的伙計們也同聲合唱著。
  4. We were sailing up to the line when one of the bigger boats tried to over take us yesterday

    昨天這些比較大的船其中之一試著超越我們時,我們行向中
  5. There must be a marine casualty happened every 4 days before 1984, the amount of marine casualty happened at this area corresponds to 1 / 7 amount of the whole changjiang " marine casualty, so mariners gave it a name as " mouth of tiger ". due to the specific geographical condition and the extremely representative vessel traffic management of changjiang yingongzhou channel section, many intelligent people began researching and practicing the vessel traffic management of this changjiang " s down - stream complicated channel section from 1980s, at dec 15th 1984 the authority at that time - changjiang yingongzhou channel section previously ; up to the last years of 1980s ministry management administration applied traffic control on changjiang yingongzhou channel section previously, up to the last years of 1980s ministry of communications assigned shanghai marine college, shanghai ship & shipping research institute and changjiang harbor superintendence administration to make feasibility demonstrate about modern vts of zhenjiang traffic control section ; in 1990 dasha radar station which is the first radar vts station with inner river was finished, groped a new way for applying modern radar traffic control of vessel traffic management ; in 1997 the vtms of changjiang " s down - stream from nanjing to liuhekou was completed with connecting net and came into operation formally, meanwhile the signals of dasha radar station were conveyed to vts center by light cable, and then united applying vessel traffic management upon the whole authorized area ; in jun 2001 jiangsu msa made changjiang yingongzhou channel section as the first experimental group of creating " civilized, safe, passable channel activity, updating dasha radar antenna and receive - transmitter building closed - circuit television monitor system, setting uo safety warning board, starting navigational route reformation, carrying out united construction

    1984以前這里平均每四天就發生一起海損事故,事故數占整個長江的1 7 ,被行船人稱為「老虎口」 。長江尹公洲段緣其極為特殊的地理區位條件和極具代表性的船舶交通管理,從上個世紀八十年代初就有識之士開始了這個長江下游最復雜段的船舶交通管理探索和實踐。 1984年11月15日時的長江政管理局在長江尹公洲水域率先施行交通管制;到八十年代末交通部委託上海海運學院、上海船舶研究所和長江港監局聯合開展鎮江交通管制段建立現代化交管系統的可行性論證; 1990年大沙雷達站? ?內河第一座雷達交管站建成,摸索實施現代化雷達交管的船舶交通管理新途徑; 1997年長江下游南京至瀏河口船舶交通管理系統建成聯網投入式運行,同時將大沙交管雷達信號通過光纜傳輸至交管中心,統一實施全轄區船舶交通管理; 2001年6月江蘇海事局將長江尹公洲段作為第一批創建「文明平安暢通段」活動試點段,更新大沙雷達天和收發機,著手閉路工業電視監控系統建設,設立安全警示牌,啟動路改革,開展聯合「共建」 。
  6. After loaded with containers, the liner will set out for japan ' s kanto, starting the opening of the regular shipping line between qinhuangdao and kanto

    日凌晨, 「海豐青島」號集裝箱貨輪駛入秦皇島港,裝載貨物后出發,標志著秦皇島至日本關東的集裝箱直達班輪式開通。
  7. After loaded with containers, the liner will set out for japan ' s kanto, thus symbolizing the start of the regular shipping line of container liners between qinhuangdao and kanto

    日凌晨, 「海豐青島」號集裝箱貨輪駛入秦皇島港,裝載貨物后出發,標志著秦皇島至日本關東的集裝箱直達班輪式開通。
  8. One of the ironies to emerge from the midair disintegration of the columbia on february 1st is that cnn ' s breaking news of the tragedy was, for many people, their first clue that a shuttle mission was under way

    哥倫比亞號天飛機於2月1日在半空中解體,具有諷刺意味的是,美國有新聞網路對於此次災難令人震驚的報道,對于許多人來說,居然是他們第一次得知有這么一項天任務在進行中。
分享友人