terminal velocity 中文意思是什麼
terminal velocity
解釋
【物理學】收尾速度。-
Excessively long fall distances are required for drops of raindrop size to attain terminal velocity.
雨滴為了得到足夠的末速度必須下降很長距離。 -
The doppler radial winds from the terminal doppler weather radar tdwr 0. 6 - degree elevation scan over the hkia and its western approach were generally away from the radar positive radial velocity - warm colours, consistent with the low - level east - southeasterly flow figure 12
機場多普勒天氣雷達對香港國際機場及西面著陸區的0 . 6度仰角掃描顯示，多普勒徑向風大致離開雷達正徑向風速暖色，與低空東南偏東氣流吻合圖12 。 -
This velocity is often called the terminal velocity.
這個速度常常稱為收尾速度。 -
It is concluded that the equivalent target expression and the method of calculating terminal velocity can efficiently increase the calculating precision and can be used in the battle damage simulation
結果表明：建立的等效靶公式和剩餘速度求解方法顯著地提高了計算精度，可以應用於戰斗損傷模擬分析中。 -
In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys
本文首先對子母式穿甲彈總體參量作了全面的計算分析，其中主要分析了子彈射出的彈道位置和必要的子彈著靶速度，論證了子母式穿甲彈對付爆炸式反應裝甲的可行性，然後對子母式穿甲彈彈頭部進行了總體設計，其中主要對子彈的發射過程進行了詳細的分析，得出了母彈彈頭部發射孔內閉鎖環厚度與子彈飛離母彈速度的關系、子彈長度與子彈飛離母彈速度的關系、子彈長度與火藥燃燒率的關系、子彈長度與母彈彈頭部發射孔內最大壓力的關系以及子彈的長度與子彈發射所需時間的關系，設計出了合理的母彈彈頭部結構和子彈的結構，並利用ansys有限元分析軟體對母彈彈頭部的強度進行了校核。 -
Based on the transfer - matrix method, the general expressions of equivalent four - terminal network parameters of varying section torsional horn are derived, the relations between frequency equation and both the rotational velocity amplification and that of the surface tangential velocity of stepped type torsional ultrasonic horn with transitional section of cosine - like type are obtained
摘要基於傳遞矩陣演算法，推導出了變截面桿扭轉振動時等效四端網路參量的一般表達式，研究了帶類餘弦過渡段階梯形變幅桿扭轉振動頻率方程與角速度放大倍數及外表面切向速度放大倍數等的關系。 -
In the second part of our paper " s work, we give the detail design of new - style all digitized radar terminal. this design is based on up to date multi - rate signal processing technology, and is developed from old cw velocity measuring radar " s terminal. at the same time, radar supply oscillator " s design based on dos technology is also present
在本文工作的第二大部分，我們結合最新的軟體無線電技術，在原有的連續波測速雷達技術基礎上，進行了系統結構創新，給出了符合現代技術特點的全數字化的系統軟硬體設計。 -
There is no thoroughly rounded theory about displacement ventilation system in our country at present and our research begins recently. the study work of this paper will be useful for further optimization design of displacement ventilation system. this dissertation includes five parts. the first part introduces the development of the displacement ventilation and the background of research in domestic and oversea. in the second part, it gives working principle of displacement ventilation system and it ’ s advantages to the mixture ventilation. the study also gives a series of indexes to evaluate displacement ventilation system and specifies air supply terminal device and so on. it is needed to simulate and analyse the velocity field, temperature field and distribution of flow field. this is the third part. the forth part specifies the simulative method for thermal stratification of displacement ventilation system. it gives some factors affecting thermal stratification height such as inlet temperature, inlet velocity, heat transfer of wall body, distance of heat source and so on
本文的研究工作主要包括以下幾個方面的內容: （ 1 ）綜述了國內外相關的研究現狀和研究背景; （ 2 ）簡介了置換通風的工作原理，並分析了它相對于混合通風的優良特性及評價指標、末端裝置等; （ 3 ）對採用置換通風方式房間的溫度場、速度場和氣流分佈進行了模擬計算與分析; （ 4 ）對採用置換通風方式房間的熱力分層高度進行了模擬計算，並分析其影響因素，如:送風溫度、送風速度、圍護結構傳熱和熱源分佈等; （ 5 ）擬合了無量綱熱力分層高度相應于送風溫度t 、送風速度v 、熱源間距離l和圍護結構傳熱q的經驗公式。 -
The doppler radial winds from the terminal doppler weather radar ( tdwr ) 0. 6 - degree elevation scan over the hkia and its western approach were generally away from the radar ( positive radial velocity - - warm colours ), consistent with the low - level east - southeasterly flow ( figure 12 )
機場多普勒天氣雷達對香港國際機場及西面著陸區的0 . 6度仰角掃描顯示，多普勒徑向風大致離開雷達（正徑向風速暖色） ，與低空東南偏東氣流吻合（圖12 ） 。
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