drag mechanism 中文意思是什麼
drag mechanism
解釋
拖拉機構-
The mechanism consists of a steering gear box, pitman arm, drag kink, tie rods, steering arms, and steering knuckles, the latter supporting the front wheels
該機構由轉向器，轉向垂臂，縱拉桿，轉向橫拉桿，梯形臂和轉向節構成，轉向節支承著前輪。 -
By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few
通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗，確定了沖擊鉆在溶洞地質條件下的合理使用方法；基樁承載實驗表明了荷載與摩擦阻力之間的關系，並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性，進行了富有成果的現場測試工作；試驗數據表明樁側摩阻和支盤端阻起很重要的作用，樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大，承載力也較設計增加；使用力學數值分析方法和有限單元法，對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。 -
Basing on the thinking of the overhead traveling crane, we develop the cable collection mechanism which ensure the cable avoid drag, fabric and so on. the mechanism satisfies the demand of system, that is reliability, safety
基於行車收纜的思想，設計出了確保線纜不受拉力、摩擦的收纜機構，保證了系統的可靠性、安全性的要求。 -
( 4 ) the drag reduction of plane - surfaces with v - shaped grooves is given out by direct numerical simulation, and the drag reduction mechanism in the base of the secondary flow theory is suggested
（ 4 ）利用直接數值模擬方法求得平板上v ?型條紋表面上的降阻情況，並給出基於二次流動理論的降阻機理。 -
Based on the mechanism of slipstream interaction, described in this thesis is firstly the interaction of the propeller slipstream with the wing 、 fuselage and horizontal tail. subsequently, the changes in lift 、 drag and pitching moment are derived, giving an engineering model for the prediction of the increments in the aerodynamic characteristics caused by the interference between the propeller slipstream and the other parts of aircraft. this method offers a powerful means to the calculation of the aerodynamic interaction between the propeller and the aircraft, providing reliable data for the design of and aerodynamic calculation on propeller - powered aircraft
本文以滑流干擾的機理為出發點，研究了螺旋槳滑流與飛機機翼、機身、平尾組合體之間的相互影響，推導出滑流引起的飛機升力、阻力和俯仰力矩的變化，給出了滑流干擾對機體氣動特性影響的工程估算方法，為研究螺旋槳與飛機部件之間的相互干擾提供了有力的工具，為以螺旋槳發動機為動力的飛機的設計和氣動計算提供可靠的依據。 -
Mechanism of drag reduction by spanwise wall oscillation in turbulent channel flow
壁面展向周期振動的槽道湍流減阻機理的研究 -
By use of grid - shaping skill and multi - grid solver, the flow - induced vibration of the fluid - conveying pipe in water is studied. the vibration mechanism of the fluid - conveying pipe in water is analyzed, the lift and drag acting on pipe in water are calculated. the results obtained are analyzed and compared to the experimental data referred to
首先對水下輸液管道繞流渦激振動的機理進行了分析，然後，利用網格生成技術及多重網格法求得了輸液管道在不同來流條件（雷諾數）下的橫向升力系數及縱向阻力系數，最後對計算結果進行了分析，並將其與已有的間接實驗結果進行了對比。 -
Experimental investigation of drag reduction mechanism over compliant wall and multi - scale coherent structure control in turbulent boundary layer
柔性壁面湍流減阻機理與多尺度相干結構控制的實驗研究 -
The assisting mechanism of hammer in dredge haul is to accumulate energy with wire pull, draw inner pole firstly, release by pin framework, acceleratc core piece, strike hammer shell, produce great instantaneous wallop, drag dredge to break op stone immediately, restore with reposition spring, and work again finally
該機構在拖網取樣時利用鋼纜拉力蓄積能量拉動內部拉桿，並通過銷軸機構釋放能量加速沖擊芯塊，撞擊殼體產生巨大的瞬時沖擊力，拽動拖網破碎巖石，然後使用復位彈簧使機構復位，重新工作。 -
The drag reduction of riblet biomimetic non - smooth surface is given out by numerical simulation with cfx. through analysis of velocity vector field and velocity fluctuation this article probe into drag reduction mechanism of unsmooth surface. through analysis of behavior of single microbubble and turbulent kinetic energy this article indicate drag reduction mechanism of microbuble
對仿生非光滑表面減阻機理，採用流體力學分析軟體cfx進行了數值模擬，通過對速度場、剪切應力、渦量的計算結果進行分析，得出了仿生非光滑表面減阻幾種主要原因。 -
In this paper, a theoretical investigation of the drag reduction for underwater submarine by riblet biomimetic non - smooth surface and microbubble carried out, the prime mechanism of two drag reduction technology is open out, and provide theoretical foundation for engineering, which proved efficiency of thruster
粘性摩擦阻力在低速前進時對航行器的阻力起主導作用，而在高速航行時壓差阻力是主要的，因此在設計當中綜合考慮了兩方面因素，使表面結構具有雙重減阻特性。 -
A right lateral strike slip, which is shown by mapview distribution of the whole fault zone, displacement of the strata, drag folding, s - c fabric and association of subsidiary faults, forms the mainly deformational mechanism
右行走滑活動的主要標志包括斷裂帶的平面展布、地層錯動、牽引褶皺、 s - c組構、次級破裂組合等。
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