速度比率 的英文怎麼說

中文拼音 []
速度比率 英文
velocity rate
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 率名詞(比值) rate; ratio; proportion
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  • 比率 : ratio; proportion; rate比率計 ratio meter
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加模糊函數和加分辨力的有關概念,並以加模糊函數為分析工具,詳細討論了加對線性相位匹配濾波器的輸出信噪的損失程、對多卜勒頻分辨能力的影響程、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加影響的容限等問題。
  2. On the whole, the tr and gs of leaf of anthurium andraeanum lind decreased under elevated [ co2 ] and wue increased, these might be beneficial for the increase of pn and chlorophyll as well as accumulation of organic compounds which promoted plant growth and florescence and flower leaf area, furthermore, the improvement of quality

    總之, co :加富條件下紅掌葉片的氣孔導與蒸騰降低,水分利用效增加,凈光合提高,有利於碳水化合物的積累,促使紅掌的各項生長指標(株高、葉面積、生物量)提高,開花提高,佛焰苞面積增大,提前且延長了花期,提高了紅掌的觀賞品質。
  3. The primary results showed : using m199 as diluents containing 20 % bovine serum, it is better to freeze the cells slowly freezing at fist then increase freezing speed ( for example, from 0 to - 6 freezing speed is about - 0. 05 a minute, from - 6 to - 40, freezing speed is about - 0. 5 a minute ), studies on effect of various concentration of dmso demonstrate that about 12. 5 % dmso gave the highest post - thaw percentage of viable cells. the concentration of bovine serum had no different effect on the percentage of the viable embryo cells of misgurnus auguillicaudatus. the embryo cells derived 6 from the later stage of blastula offish is more resistant to the cryogen than the cells of early stage of blastula. the cells preserved in liquid nitrogen at - 196 were thawed and cultivated, a few cells were found adhere to the surface of culture vessel when the percentage of viable cell was more than 30 %. the cells in only two culture vessels were found to proliferated and gave rise to many small morphologically undifferentiated cells

    研究初步表明:以細胞培養液m199 (含2既的小牛血清,常規量雙抗)為凍存稀釋液對泥鰍胚胎細胞冷凍保存宜採取先慢后快的方式(例如,從0一一6 ,凍存為一0 . 05 / min ,再以一0 . 5 / min的從一6一一40 ) ; dmso的保護效應濃為12 . 506左右;小牛血清的濃對泥鰍胚胎細胞的成活影響不明顯;囊胚晚期細胞抗凍性中早期強;通過對不同批次的凍存細胞解凍培養,解凍后成活為30 %以上細胞培養數天後均有少數細胞貼壁,但只發現兩瓶培養細胞有明顯增殖現象產生許多未分化的小細胞。
  4. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的地震動,在擬合多阻尼反應譜的人造地震波集系的模擬方面有傳統方法所不能擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概和變異概是影響收斂的重要參數,本文採用的改進自適應交叉概和變異概,可以根據當前樣本的好壞程來自動地選擇適當的交叉概和變異概,以保證演算法始終以較好的向pareto最優解集逼近。
  5. A comparison of termination rate constants and dielectric relaxation frequencies, both measured in dilute solution, is reported in tables 5. 1 and 5. 2.

    終止常數和介電鬆弛頻示于表51和表52中,二者都是在稀溶液中測得的。
  6. The results showed that the torque ratio and efficiency curve are almost not affected by width ratio, whereas the torque capacity performance changes especially when the speed ratio is less than 0. 6

    結果表明,隨寬減小變矩和效基本不受影響,而透穿性則由正透穿逐漸變為混合透穿,在大於0 . 6時傳動性能基本沒有差異。
  7. 1, cut over a head : bring up to combine the applied technique most and early for the toshiba, and is also current usage to is the most extensive. he adopts a laser head, and prepare the different slice of 2 focal distances the sony for cut over, passing the conversion differently focusing the coming respectively reading dvd with cd, its shape looking with double head to resemble respectively, because can see two sets focuse the, laser head to interiorly can t see. he reads the signal quantity is higher, but because of want the conversioning to focuse the, therefore the cost belong to the inside and so forth of level, and recognize the dish speed slow, same the implicit mechanical trouble rate is high

    1切換雙鏡頭:為toshiba最早提出並應用的技術,也是目前使用最廣泛的。他採用一個激光頭,分別準備2個焦距不同的鏡片切換,通過轉換不同的聚焦鏡來分別讀取dvd和cd ,它的外形看起來與雙頭的sony相似,因為只能看到二組聚焦鏡,激光頭在內部看不見。他讀取信號質量較高,但由於要轉換聚焦鏡,所以成本屬于中等水平,認盤較慢,同樣隱含的機械故障較高。
  8. Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted

    研究的主要結果具體如下: 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出的各種因素,確定了浸出鋅浮渣的最佳條件為:液固為6 : 1 ,攪拌為250r min ,粒為- 120目,酸浸時間為5 . 0h ,硫酸濃30 ,鋅浮渣的浸出大於92 . 0 ; 2 、在綜合和較了目前除錳和除鐵的各種方法基礎上,提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法,並分析和討論了影響除錳和除鐵等各種因素,確定了除錳的條件為:溫90 , ph值5 . 4 ,反應時間3h ,過硫酸銨達到理論值的1 . 2倍,除錳超過99 . 86 ;聯合法除鐵的條件為:氧化反應時間1 . 5小時、溫控制在90 92 、 ph值5 . 2 5
  9. Current density and electroplating velocity has line relation, but the increscent multiple of electroplating velocity is smaller than that of current density. which indicate that current efficiency decreases with the increase of current density at alcb + lialh4 system. at l - 5a / dm aluminum coating is dense and uniform, especially at 2. 5a / dm

    電流密與電鍍兩者近似成直線關系,但電鍍增大的倍數電流密增大的倍數要小,說明在alcl _ 3 + lialh _ 4體系中隨著電流密的提高,電流效逐漸降低。
  10. Then, we caculate the dynamic character of the reflective mtn cell with the optimized parameter, give out the distribution of velocity, twist angle and tilt angle at the midle of the mtn cell when switch on or off in consideration of the backflow

    並針對選定參數的mtn液晶盒作了動力學上的計算。文中分別了給出mtn盒在加電壓和撤電壓時,引流效應對反射的影響,並較指向矢,,中間層的傾斜角等參量分佈的情況。
  11. In order to increase productivity, for big size tank welding, saf propose plasma plus tig double torch solutions, welding speed is 30 % to 50 % higher than single plasma torch welding

    為增加焊接生產的效,對于大尺寸工件的環縫何縱縫焊接, saf採用等離子tig雙槍焊接工藝,焊接單等離子增加30至50 。
  12. With this system, the efficiency of customs check can be raised to 4 or 5 times than manual works

    這一系統使客車通關人工驗放提高了效4 - 5倍。
  13. The linear speed of ratio of a pulley is in proportion to its diameter

    滑輪的線速度比率與它的直徑成正
  14. But if engineers can figure out how to integrate millions of relativistic gates on a small silicon chip ? and awschalom is working with research groups at intel and hewlett - packard to do just that ? the result could be processors that run much faster than current models do, while consuming far less power and radiating far less heat

    不過假如工程師有辦法把幾百萬個相對論性邏輯閘整合在一小塊矽晶片上,其成果可能就是執行當今機種快很多,而功消耗與熱輻射卻少得多的微處理器;奧沙隆目前正在和英特爾與惠普的研究群合作研發這種晶片。
  15. The random excitation of the four wheels is used as the input of this system. the changing rule of vertical displacement, three directions of acceleration power spectrum density function of person - chair system of model ca - 141 and etc. in the frequency domain is simulated using matlab. the rationality of the model is analyzed and validated by comparing of relevant testing results and theoretic analysis

    以頻域內四輪隨機激勵作為系統輸入,用matlab模擬低地板城市客車等三種車型人椅系統三向加譜的變化規律,逐項分析車、懸架剛與阻尼參數變化對車輛平順性的影響,通過與相關研究結果的較及理論分析驗證了模型的合理性。
  16. During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched

    為了分析主動探測空間動態性能,本文首先提出以「目標進入雷達覆蓋區概」 (簡稱為「覆蓋」 )作為評價指標;然後將三維探測空間轉換為不同高層對應的水平探測圓,針對載機採用雙平行航線、交叉相向航線和交叉同向航線的最一般情形,採用相對運動的方法,分析目標垂直入侵時可能進入雷達覆蓋區的目標分佈情況;再運用蒙特卡洛法進行模擬計算,分析並較目標服從均勻分佈時航線橫、航線縱對性能的影響。
  17. Based on the self - consistent nonlinear theory of complex cavity gyrotron with gradual transition, a simulation code of self - consistent nonlinear beam - wave interaction has been made, in which the multiple modes interaction with an electron beam and the mode coupling are taken into account. the interaction between the electron beam and hsn - h521 rf field for third - harmonic gyrotron is simulated. the influences of the thickness and the velocity spread and the velocity ratio of the electron beam and the fluctuation of the magnetic field and the technologic errors of complex cavity on the multi - modes interaction with an electron beam are analyzed

    二、在漸變復合腔迴旋管多模自洽非線性理論的基礎上,編制了高次諧波漸變復合腔迴旋管多模注?波互作用自洽非線性模擬軟體,並對8mm波段三次諧波漸變結構復合腔迴旋管的注? ?波互作用進行了大量的自洽非線性數值模擬計算與研究,進而分析了電子注的厚零散、值、磁場波動、腔體尺寸的加工誤差等等多種因素對互作用效的影響。
  18. Experimental results show that after reducing the dependency of features, sa method works better. the most three important features of the license plate regions are obtained in the experiment and our algorithm is robust in filtering out false plate regions. in the module of binarization of license plate, based on algorithm of casda ( cluster algorithm based on spatial distribution analysis ) an improved quick binarization algorithm i - casda are proposed to get rid of the influence of the illumination

    運用本演算法對復雜背景的車輛牌照進行檢測,實驗結果表明,基於簡單平均融合運算元的檢測演算法得到的檢測高, 80 . 36 (訓練樣本)和76 . 54 (測試樣本) ,平均檢測為每幅圖象0 . 81秒,滿足實時性要求;區域寬高、區域密和區域寬是車牌區域最重要的三個特徵;本演算法魯棒性好,可較好地排除相似紋理區域(如廣告牌等)的干擾。
  19. Ratio of crucible shaft driving speed

    坩堝軸驅動速度比率
  20. ( 2 ) if not considering blind space and targets are uniformly distributed, detectionperformance are close for the three kinds of line when speed - ratio is less than 1, and cross - toline will achieve higher enter - cover - probability when speed - ratio is more than 1. if takingblind space into account, for case of balance - beam radar, cross - away line can get higherstrict - enter - cover - probability. but for fear that probablely - enter - cover target distribution comesbehind the patrol line, the three factors should be limited if taking cross line

    若考慮盲區的影響,對平衡木構型的雷達而言,交叉同向航線的嚴格覆蓋較大;但為了使區域縱深不反向至我方空域,採用交叉航線時航線橫、航線縱的取值范圍要受到限制,否則雷達動態性能將大打折扣。
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