Because force is generated with help from the ground, bending your knees places your body in better position to produce trunk, hip, and shoulder rotation.

因为力量源自地面，弯曲你的膝盖能让你的身体处于一个更易通过躯干，髋和肩部转动获得能量的绝佳位置。

youdao

The effect of the vertical force on the pier stiffness and the interaction among the level, bending and torsion displacement is also studied.

文中考虑了竖向力对群桩刚度的影响以及桩基承台水平位移与弯曲、扭转位移的耦合作用。

youdao

Since a bending force is exerted on the pipe during break out, the tool joint connection must be set in the slips as low as possible.

由于卸扣会使钻具产生弯曲力，因此，钻具接头必须尽可能低些坐在卡瓦上。

youdao

"The rigid material becomes a structure and the other layer is the force that can start bending and twisting it, " said Mr Tibbits.

BBC: TED 2013: 4D printed objects 'make themselves'

Far from bending to his will, a large majority of Israelis perceives Obama as a hostile force and has rallied in support of Prime Minister Binyamin Netanyahu against the administration.

CENTERFORSECURITYPOLICY: Center For Security Policy