逆流前進 的英文怎麼說
中文拼音 [nìliúqiánjìn]
逆流前進
英文
against the current- 逆 : Ⅰ形容詞1 (方向相反) contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 (抵觸; 不順從) go aga...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 前 : Ⅰ名詞1 (在正面的) front 2 (次序在先的) first; top 3 (過去的; 較早的) ago; before; preceding...
- 進 : 進構詞成分。
- 逆流 : anarrhea; backset; backwash; contra flow; counter flow; eddy; receding; counter current; reverse ...
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While in diastole, there were ( 1 ) antegrade in the transverse aorta, and retrograde in the ascending aorta and descending aorta ( below fda ), and ( 2 ) left - to - right shunt in the fda
結果發現:在收縮期時,在升、降主動脈是順向(前進)血流,在橫主動脈是逆向血流,在動脈導管是右至左分流。In the summer, a young designer ' s fancy turns to thoughts of. . how they can supplement their income and prop up their businesses by creative collaborations with other industries, thus exploiting their aesthetic abilities without cannibalising their own work and optimising the only down - time fashion has to promote their name without using up their own marketing budget
今年夏季,年輕設計師將設計思路轉向一些想法… …他們如何能通過與其它行業的創造性合作,提高自己的收入和促進自己的業務,從而在不影響自己工作和違逆時尚潮流的前提下,發揮他們的審美能力,打響自己的名號,同時又不會花光自己的營銷預算。The sea was very rough in the straits, full of eddies formed by the counter currents, and the chopping waves broke her course, whilst it became very difficult to stand on deck
海峽中的水流非常急湍,到處都是逆流造成的漩渦。唐卡德爾號走得非常吃力,急促的海浪阻礙旨它的前進。如今在甲板上,很難再站穩腳步。Water supplying pipe in front of the coal economizer should be installed with a stop valve and check valve for the factory using boiler of mother tube water supplying
7採用母管制供水的電廠,進入每臺鍋爐省煤器前的給水支管均應裝設截止閥與逆止閥。兩閥應緊接,按水流方向逆止閥在前。Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa
本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀;其次研究了橢圓曲線密碼體制的基本理論;第三,分析了橢圓曲線密碼的安全性並介紹了密鑰共享,加密,數字簽名等橢圓曲線密碼體制;第四,深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法,並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進,而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能,還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究,所得的結論可供在實現橢圓曲線密碼體制時參考;第五,研究了目前流行的計算橢圓曲線標量乘法的快速演算法,同時改進了固定基點梳形法,提高了整個系統的速度,並在實驗的基礎上分析研究了流行演算法的優劣;第六,實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫,在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh , eces , ecdsa等橢圓曲線密碼體制;第七,實現了兩條安全橢圓曲線上的橢圓曲線密碼體制,包括ecdh , eces , ecdsa 。Zero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology, working waveform of power transformer and process of rectifier and transition are presented in detail. the influence of resonant inductance of the power transformer, resonant capacitor and variation of load to the process of soft - switching are given
主要對軟開關滯后橋臂和超前橋臂的零電壓開通、關斷過程,功率變壓器的工作波形及整流換流過程進行了詳細的模擬分析,並重點討論了逆變器的諧振電感、諧振電容以及負載變化對軟開關過程的影響。At a short distance from the shore they turned, and were soon concealed by the projection of the bank, under the brow of which they moved, in a direction opposite to the course of the water.
離岸沒多遠,他們就改變了方向,人馬都被河岸的陰影給隱蔽住了,他們沿河岸邊的懸巖逆著水流前進。Due to irrational land utilization, absurd assarting and herding, a series of environmental problems, such as sandy soil, grassland degeneration, soil and water loss, appeared, which severely threatened to survival and development of human being. it was proved that biomic - measure was the radical measure of ecology environment construction and harnessing. thus, a research on choosing a kind of grass, which was good, stronger stress resistance and faster growth velocity, was carried out
黃土高原半乾旱區多年來由於不合理的土地利用和濫墾濫牧等現象,致使土壤沙化,草地退化,水土流失等一系列生態環境問題嚴重威脅著人類的生存與發展,多年的研究已證明,生物措施是生態環境建設與治理的根本性措施,因此,針對目前的自然現狀,選擇抗逆性強、生長快、生產中急需的優良牧草進行了定位試驗研究。I hope that the youth of our country will never allow themselves to be carried away by this sinister counter - current but will clearly recognize the workers and peasants as their friends and march forward to a bright future
我希望全國的青年切記不要墮入那股黑暗的逆流之中,要認清工農是自己的朋友,向光明的前途進軍。A non - linear feed - forward loop is used to realize the coordinated control between the two controlled variables at the two control ends at first. secondly, a constant ac voltage control is implemented for a short period after the ac fault removal. finally, a staggered recovery strategy for different hvdc subsystems is also adopted, with the restart time interval of them optimized using the steepest descent gradient search method
該協調恢復策略的三個特點是:在常規的控制器結構中加入一個基於準穩態工作點的非線性前饋迴路;在交流故障被切除后的一個短暫時間內,逆變側採用定交流電壓控制:對不同的直流輸電子系統採取一種漸進的恢復策略。Now many industries entry the narrow margin of profit age, so enterprises must seek for a new profit growth point and fairly undertake the society responsibility. under the double drive, a company how can successfully manage its reverse logistics and how designs it ' s working process that should be a most important matter
在目前許多行業進入微利時代的前提下,尋找新的利潤增長點以及適當的處置本企業造成的廢棄物以善盡企業的社會責任的雙重驅動下,具體怎樣成功實施逆向物流管理,怎樣設計自己的作業流程就是供應鏈中有可能實施逆向物流管理的企業所應關注的課題了。Electro - rheological fluids ( erf ) are smart materials, which are consist of unconductive matrix fluids and micro dielectric solids that disperse in it uniformly under zero electric field, er fluids are usually newtonian fluids, and change into bingham fluids in the presence of a strong external electric fluids
在零電場下,電流變液表現為牛頓流體,在外加電場作用下,是一種賓漢流體,由於其具有在液體和固體之間進行快速可逆轉變的特點,因此在機電一體化控制、汽車、通用機械等領域有著廣泛應用前景。As a result, there are some disadvantages for its large size, heavy weight and lower efficiency. in this paper, phase - shifted zero - voltage - switching pwm converter is presented, which is help to ruduce the size and improve the efficiency of inverter. in the later stage, we adopted a pic microcomputer as the control chip, whose low price decreases the price of the inverter
在逆變環節中,本文採用體積小、功能全、價格便宜而且簡單易學的單片機pic16c72作為控制晶元,對前級直流電壓進行spwm正弦脈寬調制,從而產生了高質量的正弦輸出電壓波形,減小了輸出電壓中的諧波含量。分享友人