closing direction 中文意思是什麼
closing direction
解釋
閉合方向-
The dynamic tensile stresses of earthquake may balance or exceed to the precompression stresses due to static watef, this may arouse opening of joints along the normal direction. if the altemate actions of earthquake join, the joints may behave gradual opening and closing
由於地震作用時的動拉應力將抵消並超過靜載作用下的壓應力，導致橫縫面沿法向張開，加上地震的交變作用，橫縫可能會呈現反復的「漸開漸合」現象。 -
In order to overcome the disadvantages of servo valves and the spool valves, the fast hydraulic system controlled by the fast on - off valve is researched which uses the on - off valves as the pilot valves. they are used to control the opening and closing of the logic valves, thus they can control the pressure and the flow. so they can control the movement direction and the velocity of the piston
為了克服伺服閥和滑閥的不足，本文所研究的基於快速開關閥的快速液壓系統採用快速開關閥作先導閥，控制邏輯閥的開啟和關閉，從而控制液流的通斷和壓力的高低、流量的大小，以實現對活塞運動方向、速度的控制。 -
The way to tackle challenge and extricate from a plight is to realize the transition in an all - round way : the change from study normal form in modem course to post - modem course in terms of models, linear unidirection to netted direction in terms of teaching content, unitary closing to multiplex opening in terms of teaching methods and training ways
應對挑戰、走出困境的出路在於全面實現轉型：研究範式方面，從現代課程研究範式走向後現代課程研究範式；教學內容方面，從線性單向走向網狀多向；教學方法與培養途徑方面，從一元封閉走向多元開放。 -
Newton the first theorems what acceleration and object being an object accept agrees well with outside force f direct proportion, and the object mass becomes inverse ratio, the acceleration direction and the direction closing an outside force
牛頓第二定律是物體的加速度跟物體所受的合外力f成正比，跟物體的質量成反比，加速度的方向跟合外力的方向相同。
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