水中時起時伏 的英文怎麼說

中文拼音 [shuǐzhōngshíqǐshífú]
水中時起時伏 英文
ducking
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 起 : 起Ⅰ動詞1 （站起; 坐起） rise; get up; stand up 2 （取出; 取走） draw out; remove; extract; pull 3...
  • 伏 : Ⅰ動詞1 （身體向前靠在物體上; 趴） bend over; lie prostrate 2 （低下去） subside; go down 3 （隱藏...
  • 水中 : aquatic; water水中爆炸 water shooting; 水中浮游生物 hydroplankton; 水中氣泡 underwater bubble; 水...
  1. According to the traditional rytov method, the theory model of modified rytov method is given for plane wave and spherical wave propagation in the atmospheric turbulence, and the characters of optical scintillation for waves propagation along horizontal paths is studied, the inner scale effect is considered, especially. then, the results, calculated by the modified rytov method, is compared with the experiment measurement, it shows that the modified method is suitable in moderate atmospheric turbulence

    本文介紹了光波在湍流大氣中傳播的弱起伏和強起伏理論，從經典弱起伏理論出發，給出了光波在水平傳輸時的修正rytov方法理論模型，分析了在考慮湍流內尺度的影響下平面波和球面波入射時的閃爍特性，在中等湍流區計算結果與最近實驗結果符合得較好。
  2. The underwater acoustic channel is very complex where cochannel interference, doppler frequency offsets, narrow bandwidth and time and frequency selective deep fades obstructs the development of high speed and fidelity underwater data transmissions. thus projects of high speed and fidelity underwater signal transmissions become a hotspot in the fields of world academic circles. the conventional serial communication must use adaptive equalizer to combat the multipath in real - time

    海洋水聲通道是一種極其復雜多變的時-空-頻變參通道，其通道窄，強多途干擾，信號起伏衰落嚴重，一直是水下信息可靠高速傳輸的主要障礙，因此如何在水聲通道中高速率準確地傳輸數據，就成為世界性的熱門課題。
  3. In i got bodily into the apple barrel, and found there was scarce an apple left ; but, sitting down there in the dark, what with the sound of the waters and the rocking movement of the ship, i had either fallen asleep, or was on the point of doing so, when a heavy man sat down with rather a clash close by the barrel shook as he leaned his shoulders against it, and i was just about to jump up when the man began to speak it was silver s voice, and, before i had heard a dozen words

    我整個身子跳進了蘋果桶，這才發現裏面一個蘋果也不剩了但是，在黑暗中坐在裏面，聽著水聲，伴著船身的上下起伏，我不覺打起盹來，或者說就快要睡著了，這時一個大個子撲通一聲靠著桶坐下來。由於他的肩膀倚在桶上，桶搖晃起來，就在我想要跳起來的時候，這個人開始講話了，是西爾弗的聲音，還沒等我聽上幾句，我就再不想暴露自己了，而只是蜷伏在裏面，戰戰兢兢地聽著，懷著極度的恐懼和好奇就從這十來句話當中，我已明白，船上所有誠實的人的性命都系在我一人身上了。
  4. From the policy aim and the choice of policy tools to the implementation of policy and adjustments, the maritime investing policy is a result of a process of mutually actions and rational behavior. in the first chapter, the author reviews the character of the world tanker market, because of the specialty of transport of oil, the investment of tankers fluctuate with the economics cycle

    在第二章中，筆者分析了油輪運輸的基本特徵，認為由於石油運輸供給的特點使得油輪投資存在超前性，同時由於油輪市場的壟斷性，導致油輪投資隨經濟波動起伏顯著，油輪投資政策分析缺乏針對性的直觀經濟理論引導；隨后進行的行業背景分析對世界和中國的石油水上運輸業的發展及投資現狀加以剖析，說明世界油輪投資與中國油輪投資存在差異。
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