velocity jump 中文意思是什麼

velocity jump 解釋
速度突變
  • velocity : n. 1. 迅速；快速。2. 速度，速率。3. 周轉率。
  • jump : vi 1 跳，跳躍，跳起；彈跳，跳動。2 （用降落傘從飛機里）跳出。3 猛烈地移動；積極行動，奔忙，活躍。...
  1. Visar - measured wave profiles on the free surface of target were profiles with an initial velocity jump followed by a smoothly - rising front to the peak velocity amplitude, showing that quasi - isentropic loading has been successfully generated

    Visar測試得到的是波陣面上升前沿被明顯展寬的準等熵壓縮波，最高的擊靶壓力達到了260gpa 。
  2. Abstract : through study on energy dissipation of goupitang project on the wu - jiang river, the velocity field in the water cushion pool downstream ski - jump or drop was measured by hot - film anemometers on a fine model with scale 1 380

    文摘:結合烏江構皮灘水利樞紐工程消能問題研究，用熱膜流速儀在比尺為1 380的精細模型上量測了拱壩挑跌流在水墊塘內的流速場，並由試驗成果分析了淹沒射流在水墊塘內的消能過程，計算了消能率。
  3. Notice the hydraulic jump that forms, and see how it changes as you vary the jet velocity, flux, and dish depth ( horizontal dish )

    注意水躍的形成，當你改變噴射的速度，流量以及盤的深度（水平的盤）的時候，看看它是怎麼變化的。
  4. At the same time, the thickness of target should also be in accord with the impact velocity. experiments of quasi - isentropic loading to 93 w alloys by 93w - ofc - tc4 - a1 - mbz system flier - plate with graded wave impedance were performed on light gas guns. the corrected visar - measured wave profiles were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude, indicating that quasi - isentropic compression energy waves had been successfully generated

    在輕氣炮上利用研製的93w - ofc一tc4 . ai一mbz系波阻抗梯度飛片實現了對93w合金（靶材料）的準等嫡壓縮，經修正後的測試波形都是由一個較弱的初始速度跳躍和一段呈階梯狀緩慢上升的波陣面前沿所組成的準等嫡壓縮波。
  5. Exploiting the long jump technique parameter and treading strength in the planting step - time curve, and analyzing the kinematics and dynamics reasons for the loss of approach velocity, taking - off rapid supporting and stretching in the generating mechanism of vertical velocity during long jump take - off, the essay puts forward a new view of generating vertical velocity and offers a new thought for creating training of long jump

    摘要利用世界優秀運動員的跳遠技術參數和跳遠踏跳階段踏跳力時間曲線，剖析助跑速度損失量、起跳快速支撐和蹬伸在跳遠起跳垂直速度的生成機制中的運動學和動力學原因，對跳遠垂直速度生成提出了新的見解，並為創新跳遠訓練提供了一條新的思路。
  6. The initial velocity jump and velocity peak of the quasi - isentropic waves are greatly concerned with shock wave impedance of the targets. changing the impact conditions, there are evident differences among the quasi - isentropic energy

    隨著擊靶速度的提高，準等熵壓縮波的波陣面前沿的上升時間逐漸減小，而對應的速度峰值和初始跳躍則不斷增加。
  7. The corrected visar - measured wave profiles on the interface between target and window were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude, indicating that quasi - isentropic compression energy waves had been successfully generated

    對visar測試到的波形進行合理的修正後，得到的界面速度波形都是由一個較弱的初始速度跳躍和一段緩慢上升的波陣面前沿所組成的準等熵壓縮波。
  8. The results showed that quasi - isentropic compression energy waves were produced after the impact with mg - face of the flier - plate, whose initial velocity jump, peak velocity and front ' s rise - time were all different from the general shock loading wave profiles

    結果表明，梯度飛片正向擊靶后產生的是波陣面明顯被展寬的準等熵壓縮波，準等熵壓縮波的初始速度跳躍、速度峰值和波陣面前沿的上升時間都呈現出不同於傳統沖擊波陡峭上升波形的特徵。
  9. ( 2 ) validate whether the crest elevation can meet the require of energy dissipation and erosion prevention during the beginning period of flood discharge. ( 3 ) calculate the altitude of downriver cofferdam, and make it meet the require of energy dissipation and erosion prevention. ( 4 ) calculate some average velocity of flow through some sections, including contracted section in stilling basins behind upriver cofferdam, if the hydraulic jump happen in lower reaches of the river. the program will calculate the average velocity of flow of contracted section and the length of the apron

    主要設計內容包括：計算上游圍堰后消力池的尺寸；驗證泄洪初期壩面高程是否能夠滿足消能防沖需要；計算下游圍堰堰頂高程，使其滿足泄洪期圍堰和壩體過流的消能防沖和工程進度的需要；計算部分斷面平均流速，包括：上游圍堰后消力池中收縮斷面的斷面平均流速；壩首和壩末的斷面平均流速；當下遊河道發生水躍時，計算下遊河道的收縮斷面平均流速及需要鋪設護坦的長度。
  10. Abstract : by comparing our long jumpers with foreign athletes, the author thinks that the only way to improve the performance of long jump is to increase the ho rizontal velocity and decrease the loss ratio of velocity

    文摘:通過對中外跳遠運動員的對比分析發現，中國運動員只有在加大水平速度的同時，進一步減少其速度的損失率才能更有效地提高跳遠成績。
  11. In the paper, an overview of transpiration cooled platelet and micro - scale theory is presented. the velocity slip model and the temperature jump model for the research on flow and heat transfer in the platelet micro - channel are developed. while programs developing, two dimensional temperature distribution of the fluid in the channel and one dimensional temperature distribution of the platelet are obtained

    本文對層板發汗冷卻技術和微尺度理論進行了綜述，建立了溫度跳躍和速度滑移的微尺度研究模型，通過編寫程序，得到了微小通道內流體的二維溫度分佈和結構層板的一維溫度分佈。
  12. The results showed that quasi - isentropic compression energy waves were produced after the impact, whose initial velocity jump, peak velocity and front ' s rise - time were all different from the general shock loading wave profiles. furthermore, the higher the impact velocity, the smaller the extended wave ' s front while the higher the peak velocity

    結果表明，梯度飛片擊靶后產生的是波陣面明顯被展寬的準等熵壓縮波，準等熵壓縮波的初始速度跳躍、速度峰值和波陣面前沿的上升時間都呈現出不同於傳統沖擊波陡峭上升波形的特徵。
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