穩速阻力 的英文怎麼說

中文拼音 [wěn]
穩速阻力 英文
steady-speed resistance
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that, compared with the least - square solutions and the damped least - square solutions, the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information, which benefited the suppression of noises and made the iterations of inverse stable and convergent

    結果表明,相對于最小二乘法和尼最小二乘法,基於自然權的加權尼最小二乘演算法,由於利用了正確的先驗信息,不但使反演過程收斂,而且具有數值定、抗噪能強的優點,其成像結果能真實有效地反映對象內部缺陷,因此更適用於混凝土的超聲波度反演。
  2. Recently, train is running faster and faster, and considering the stability and security, seamless welded rails ( swr ) are used as the train orbits gradually. the temperature of the rails will vary with weather. so that the rails may release the energy due to the metal characteristic of expanding or contracting with temperature, there is some badly distortion in the swr, worsly occurring accidents on expanding orbits. the portrait thermal stress ( pts ) of the swr should be monitored in some parts regularly, as to avoid such accident

    近年來,隨著火車的提造成的定和安全問題,軌道逐步轉為採用無縫焊接鋼軌,隨著鋼軌溫度的變化,無縫鋼軌可能會因為熱脹或冷縮的金屬特性並且在扣件小而且路基較差的路段釋放能量,可能會發生鋼軌嚴重變形,更甚者會發生脹軌跑道等嚴重鐵道事故,為了避免發生如此事故,有必要定期對鋼軌的溫度應進行檢測。
  3. The rate gyro feedback provides positive dynamic stability and well-damped transient response to commands or disturbances.

    度陀螺反饋提供正向動定性和對于指令式擾動的很好尼的瞬時響應。
  4. On the similitude artillery, 7 items of shooting tests were proceeded. these items included : muzzle velocity of projectile, pressure of gases, recoil force, efficiency of muzzle brake, muzzle shockwave, dynamic stress, stability

    在模型炮上進行了7個射擊實驗項目,實驗項目包括:初、膛壓、后坐、炮口制退器效率、炮口沖擊波、動態應定性。
  5. The dynamics behaviors of the flexible jeffcott rotor system supported by unsteady short dynamic bearing are investigated. based on nonlinear unsteady - state dynamic n - oil film force model described by three functions the local stability of the periodic solutions with the controlling parameters, rotational speed ratio, imbalance amount, damping ratio and viscidity, are predicted by using the floquet multiplier. it is found that the period doubling bifurcation is caused by a certain imbalance amount and the hopf bifurcation is created by the lost stability of the oil - film

    研究了非態動載短軸承支撐的jeffcott柔性轉子系統的動特性,基於可用三個函數表示動態油膜的非態非線性油膜模型,將轉比、不平衡量、尼比、粘度作為控制參數,利用floquet乘子預測周期解的局部定性,發現倍周期分叉是由一定量的不平衡引起的,而hopf分叉是由油膜失造成的。
  6. Under different conditions, for example, with variable additional resists or system parameters, the system applies the variable structure controller to adjust the speed system with train. the results of simulation show the variable structure control can achieve a fast response, high stability under parametric variations and disturbances, with no overshoot. additionally, it has stability for the adjustment speed of atcs and provides the comfortable speed, for the travelers, and improves the system performance

    採用變結構理論分析在不同情況下,如附加變化,系統參數變化等,模擬滑模變結構控制器控制的列車自動調控制系統,模擬結果表明,滑模變結構控制的列車自動調控制系統能實現度響應快、無超調,系統對參數的攝動和外部干擾不敏感,實現列車自動控制系統的度調節的定性,保證旅客的舒適,改善了系統性能。
  7. Low grade fuels and / or polluted air can cause gum, varnish and carbon deposits to be formed in the carburetor during comustion which can result in rough idling, stalling and incrased gasoline consumption. 3 + 3 cleaner ' s superior formula will effectively remove gum, varnish and carbon deposits when sprayed directly into the carburetor, 3 + 3cleaner will clean carburetors, linkage, automatic chokes, pcv valves, heat risers, the spark plugs and the entiro system while lubricating and femoving moistuer on all moving parts, use 3 + 3 cleaner to restore efficiency, increase engine power maintain high gasmileage and have a smooth running engine

    空氣和汽油中的不純物質,在汽車使用過程中會產生污垢和炭積物,塞汽車的化油器(呼吸系統) ,使汽車無及加油不暢順, 3 + 3牌化油器強清洗劑獨有的特殊配方,直接噴入于化油器內,能迅有效地清除洗化油器,火花塞及燃油系統的油漬污穢和炭積物,並對轉軸等旋轉部位提供潤滑及防銹保護,減少積炭的產生,使引擎起動順利及平運轉,增強馬及節省燃油
  8. It shows that spiraclelike frame net ' s resistance is twenty to twenty - five percent higher than that of traditional frame net, and the water speed inside tends to be increasing, about more than twenty percent higher than of traditional frame net in the aft part

    其中,鰓孔式架子網:比傳統架子網大22 % ~ 25 ,網內流呈上升趨勢,到網身後部高出傳統架子網20 %以上,網具定,沒有搖擺和抖動現象。
  9. This paper is based on an artillery servo system which requires high control qualities such as the speeding, accuracy, and stability under hard circumstances like the great variation of the load and the huge changes of the torsion

    本論文旨在改進某型號火炮的隨動系統,以滿足該系統在負載轉矩和矩變化較大時對繼續保持良好快性、準確性及定性的要求。
  10. Experiment results show that, with the increase of frequency and swing, the dispersing, physical and flame retardant performances are improved greatly, tension strength, impact strength and oxygen index have increased about 32 %, 39 % and 10 %, and finally arrive a steady value

    實驗結果表明:隨著振動頻率和振幅的增加,無機燃劑的分散性能、製品的學性能和燃性能也會相應增加,拉伸強度、沖擊強度和氧指數可分別提高約32 % , 39 %和10 % ,但其增加的度是逐漸減少的,並最終達到一個定值。
  11. The transient state of torpedo electrical drive system, caused by torpedo ' s steding, shifting, and the fluctuation of battery voltage, and the change of the resistance in voyage, will influence efltire attitude and stability of the torpedo immediately, as well as every parts of electrical propulsion system. therefore, it is necessary to theoretically analyze the transient state of torpedo electrical power propulsion system

    魚雷電動推進系統在魚雷啟動、變及因電池電壓的波動和在魚雷航行變化時而產生的暫態過程都將直接對整個魚雷的姿態和定性產生影響,同時對電動推進系統本身各個組件也將產生不同影響,因此有必要對魚雷電動推進系統的暫態過程進行一些理論分析。
  12. Low viscous drag and high - speed capability : the low viscous drag of the magnetic fluid, and non - contacting seal configuration of the magnetic fluid feed through assure its extremely smooth operation and its high - speed capabilities

    尼和高旋轉能:磁性流體極低的粘滯和磁性流體進行給裝置無需接觸密封圈的結構,決定了它的定操作和高轉動。
  13. To be able to realize the continuous, speedy and bi - directional modulation is its main characteristic and plays a distinct role in stabilizing the power system

    Facts控制器的主要特點是能實現無功和抗的連續快和雙向調節,對提高電系統的定性具有顯著的作用。
  14. In addition, aerodynamic stiffness and aerodynamic damping on the system are already obtained in the condition of fluid - structure interaction. it is known that aerodynamic loads are associated with blade vibration. the systematic eigenvalues are used to judge whether the flutter occurs so as to find the stable operating range of a wind turbine

    本文把風機葉片簡化為懸臂梁,對梁截面的二維葉型建模,完整推導了二維葉型的線性運動微分方程和流構耦合條件下系統的氣動剛度和氣動尼,此時氣動載荷與結構的位移矢量以及度矢量是相互耦合的,再利用系統的特徵值來判斷葉片顫振是否發生,從而獲得風機的定工作范圍。
  15. The n3306a load module is fast and accurate, for programming in constant current, constant voltage, or constant resistance modes, or for making voltage, current or power measurements

    N3306a裝載模塊是快和準確,為編程在定電流,定的電壓,或定的方式,或為做電壓電流或量測量。
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