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我们称之为“向心加速度We call it "centripetal acceleration."

向心,即指向圆心。Centripetal, pointing towards the center.

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书桌位于窗前,窗外是城市景观,望向心斋桥一带。Working table by the window with city view.

这就是向心加速度This is called the centripetal acceleration.

四点接触向心推力轴承。Four point contract center-oriented thrust ball bearing.

这样我们,就能求出向心加速度。And we can calculate now what the centripetal acceleration is.

但这里却没有力,能提供向心加速度。But there is nothing to provide that centripetal acceleration.

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因此向心结构也叫做中心结构。Hence an endocentric construction is also known as a headed construction.

在此注意,向心加速度与r是成正比的。Notice that the acceleration, the centripetal acceleration is linear in r.

因而需要一定的向心加速度,才能绕着圆周旋转。And so you need a certain centripetal acceleration to go around in that curve.

这个向心加速度,对这个物体达到点,来说是必须的。And that centripetal acceleration D is a must for this object to reach that point D.

,若最上端,向心加速度为,那么这个就是。if the centripetal acceleration 10 when it goes through the top is 10, 0 then this is zero.

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若向心加速度0,则此时绳子会绷紧。If the centripetal acceleration is larger than 10 then, of course, the string will be tight.

球头座为向心关节轴承的外圈,由锌基合金制成。Ball joint housing is an outer ring of radial spherical plain bearing, made of zinc base alloy.

则现在,必然等于m乘以向心加速度,嘿,看起来太眼熟了。So what I get now is must be m times the centripetal acceleration Hey! That looks very familiar.

长征精神具有精神导向、凝聚向心、感召励志的时代价值。The spirit has value of the times of spirit-oriented, cohesion force, impel-force and aspiration.

小优给心怡打电话,向心怡询问少白对自己表白后的态度。Small excellent satisfying call to mind, heart to satisfying ask you to less white after attitude.

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小球受到绳子的拉力,这就是向心加速度的来源。This ball is feeling a pull from the string and that provides it with the centripetal acceleration.

如果此时,我想让你转得更快,即v更大,那么向心加速度也会随之增大。Now I'm going to swing you faster, so the v will go up and so the centripetal acceleration will go up.

向心关节轴承在承受载荷时,承载区各点的压应力是不等值的。When absorbing load, various loaded points of plain radial bearing receive different compressive stresses.