進化速度 的英文怎麼說

中文拼音 [jìnhuàsùdù]
進化速度 英文
rate of evolution
  • 進 : 進構詞成分。
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 進化 : evolution
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. The application of a pressure difference across an injector does not cause an immediate velocity response of the liquid propellant.

    經過噴注器的壓降發生變化時並不馬上引起液體推進劑速度變化。
  2. The results showed that : there were five stages in the rising process of the internal temperature of untreated, fire - retardant solution soaked, and fire - proof paint coated wood during the fire ; the carbonization rate of wood decreased by 21. 1 % ~ 35. 6 % and the rising speed of internal temperature also declined greatly when wood was soaked in fire - retardant solution or coated with fireproof paint ; the carbonization rate of white pine was 8. 5 % ~ 17. 4 % higher than that of the northeast china ash ; for untreated wood, the carbonization rate in tangential direction was 5. 8 % ~ 10. 5 % higher than that in radial direction ; the internal temperature of wood varies with the developing direction of combustion

    結果表明：火災發生過程中未處理木材、阻燃浸漬處理和塗刷防火徐料木材內部溫度上升過程出現5個階段；經過阻燃浸漬處理和塗刷防火塗料后，木材的燃燒炭化速度降低了21 . 1 % ~ 35 . 6 % ，內部溫度上升速度大幅度下降；白皮松木材的燃燒炭化速度比水曲柳木材的燃燒炭化速度快8 . 5 % ~ 17 . 4 % ；未處理木材沿弦向的燃燒炭化速度比徑向快5 . 8 % ~ 10 . 5 % ；木材內部的溫度變化沿燃燒推進方向不同而不同。
  3. The figure of the part ' s original shape depend on digital equinpent mostly. digital equiment is divided into two big types, contac ttype and uncontact tyope. the contact type decelop with the optical and electonic element applied widely. uncontact measurement is rapid. the measured part is not scared, but it requirethat the measured part ' s surface can glisten. cmm is typical delegate of contact measurementcomparing to uncontact measurement, cmm is slow, but it has upper measurement precision. in range of required figure precision, it will affact the selective way of moddfile cuver

    由於其測量過程是利用光學方法進行的，從而對被測物體的表面提出了一定的要求，表面反光或全黑的物體都不適合於光學方法進行測量，或者說當遇到這樣的被測物體時需要更復雜的光學技術來保證測量的順利進行。坐標測量機（ coordinatemeasuringmachine ， cmm ）是接觸式數字化設備的典型代表。和非接觸測量方法相比， cmm雖然在數字化速度上比較低，但是它具有較高的測量精度。
  4. I have always been impressed with the incredible pace of progress in the microelectronics industry, which faces new challenges every year but implacably overcomes them, one by one, to keep up its rate of miniaturization

    我一向對微電子工業不可思議的進步速度感到印象深刻，它每年都會面臨新的挑戰，但總能一個個加以克服，使微小化的速率可以跟得上。
  5. Dr. perry : in terms of other rmas in history, the characteristic of this one, which is dramatically different from any other, is the speed with which it is proceeding, compared with the introduction of gunpowder, introduction of the flint lock and other major changes that brought about change in tactics and doctrine

    佩里：從歷史上發生的軍事革命來看，例如與火藥和燧發槍的發明以及其它引起戰術和作戰理論變化的主要變革相比，這次軍事革命最不同於其他各次的特點，是其演進的速度。
  6. The strategy need to be carried out as follows in the future : to strengthen the basic facility construction of animal husbandry in pastoral animal husbandry in order to enhance the capability of resistance to the disaster ; to convert the management mode with new technology in animal husbandry ; to use the natural grassland rationally and to speed the animal turnover in the market ; to enhance the quality of livestock and its products in order to increase the income ; to strengthen the grassland environmental construction to promote the balance between forage supply and livestock demand and to keep the sustainability of pastoral animal husbandry

    在今後草原畜牧業的發展中要進一步加強畜牧業基礎設施建設，提高防災抗災能力，提高畜牧業生產中的科技含量，轉變生產經營方式，合理利用草場資源，加快牲畜的良改化速度，提高牲畜和畜產品質量，增加畜產品產量，提高經濟效益。加強草原生態環境建設，促進草畜協調發展的良性循環，走可持續發展的生態畜牧業之路。
  7. A new method, which named reverse shrinking surplus method, has been pointed out based on the fem in order to optimize the speed curve of the spindle

    摘要在基於有限元數值模擬的基礎上提出了反向最小余量法，用以優化芯輥進給速度曲線。
  8. The optimized speed curve can bring a steady press - down dimension in the process of the ring rolling which could assure high quality products

    優化后的芯輥進給速度曲線能保證輾擴過程中始終有理想的每轉壓下量，從而降低缺陷的發生，提高零件質量。
  9. In the paper, a speed estimator based on artificial neural network is designed according to the principle of direct torque control, the speed estimator is optimized by genetic algorithm, and the parameters of pid speed adjuster is also optimized by genetic algorithm. a stator linkage and torque observer based on stator resistance estimator using fuzzy neural network is also designed. eventually, the intelligent control of direct torque control system is implemented

    本文根據異步電動機直接轉矩控制原理，在應用人工神經網路進行速度辨識的基礎上，利用遺傳演算法對神經網路速度辨識器進行了優化設計；運用遺傳演算法對pid速度調節器的結構和參數進行了整合；在採用模糊神經網路對電機定子電阻辨識的基礎上，進行了定子磁鏈及轉矩的觀測，為最終實現無速度傳感器直接轉矩控制系統的智能控制創造了條件。
  10. Based on the experimental data, a melting mathematical model has been set up. the calculated melting rate of scrap was consistent with experimental value

    摘要在油氧火焰熔化棒體實驗基礎上，通過建立數學模型，與實驗進行對比研究。結果表明：實驗結果與熔化數學模型計算棒體的熔化速度相符合。
  11. The models are obtained by simulating and simplifying the big curve at the arch of aorta and opposite curve of branching vessels. the original conditions of simulation calculating are the entrance velocities and the exit pressures. the boundary conditions are the wall non - slippery flow conditions and the symmetry conditions

    它是基於主動脈弓處的大彎曲和分叉血管的反彎曲進行模擬簡化，模擬計算的初始條件是進口速度和出口壓力，邊界條件是壁面無滑流條件和對稱性條件。
  12. The scientists found that the new versions of the two genes evolved much faster in apes than in mice and rats

    科學家發現這兩種基因的新版本在類人猿身上的進化速度遠比在老鼠身上的進化速度快。
  13. They examined the number of mutations in the dna sequence of each species to estimate its rate of evolutionary change

    他們檢查了每個物種的dna脫氧核糖核酸序列中基因突變的數量，並以此估計出該物種的進化速度。
  14. In the improved ga, it is ensured that the optimized probability of every parameter is approximately equal and so the search is speeded to a great extent

    這種演算法保證了被優化參數參與優化過程的概率基本均等，較大幅度地提高了進化速度。
  15. People are evolving more rapidly than in the distant past, with residents of various continents becoming increasingly different from one another, researchers say

    研究者稱人類的進化速度遠比過去要快，各個不同的大陸的居民彼此之間越來越不同。
  16. Knowing when the two split has implication both for understanding how quickly evolution works and for imagining the likelihood of intelligent beings elsewhere in the universe, researchers said today

    研究人員於今日宣布，了解兩者間何時分化既會增加我們對生物進化速度的了解，同時對宇宙中其他地方存在智慧生物的設想也有重要意義。
  17. Evolution for 1000000 years process is hit by human being in several, except cerebrum ' s evolution speed happens change body ' s inherent latent energy and the motion cell of organization are proceeded orderly other than, degenerating

    人類在幾百萬年的進化過程中，除了大腦的進化速度發生改變以外，身體的內在潛能和運動組織細胞被逐步退化。
  18. Mitochondrial dna has been used in researches on heredity structure of animal strain and strain identification in the past few years. chinese mitten - handed crabs from yangtze, liaohe and oujiang rivers were studied in our research

    線粒體dna以其結構簡單、進化速度快、無組織特異性等特點已被較多的運用到動物種群遺傳結構分析及品種鑒定的研究。
  19. Taking itae criterion as evaluating function of hydro - generator fuzzy gpss, the head - and - tail alternate crossover ga is compared to classical ga. the results show that the evolutionary rate of the former is apparently higher than the latter under a same accuracy

    以itae指標作為設計水電機組模糊gpss的評價函數，對首尾輪換交叉遺傳演算法與常規交叉遺傳演算法進行比較，結鄭州大學工學碩士論文果表明，對同樣的參數精度，前者的進化速度明顯高於後者。
  20. Abstract : simulated annealing and multigroup parallel evolution are two helpful methods which can improve the performance of genetic algorithm. these two ideas are well combined in this paper, and a new algorithm is derived, that is the multigroup parallel genetic algorithm based on simulated annealing method. simulation results show that this method not only quickens the computation, but also improves the convergence efficiency, thus produces more satisfactory results

    文摘:模擬退火和多種群并行遺傳進化是兩種較好的改進遺傳演算法性能的方法.將這兩種思想有機地結合起來，提出了一種基於模擬退火機制的多種群并行遺傳演算法.模擬結果表明，該演算法不僅能增強演算法的全局收斂性，還能加快遺傳進化速度，得到滿意的全局最優值
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