To evaluate the effects of magnetic and mechanical force in closing diastemata in fixed orthodontia.

目的：探讨磁力在固定正畸中关闭牙间隙的临床疗效，并与机械力进行比较研究。

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Using force and displacement transducers and computer real-time testing technique, automation measurement system of automotive door closing force and displacement is developed.

应用力与位移传感器和计算机技术，研制了轿车车门关闭力—位移自动测量系统。

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By this, force acting in the direction of closing a valve body (41) ACTS on it through the diaphragm (42), maintaining the shutoff valve (40) closed.

从而经由隔膜(42)对阀体(41)在关闭的方向上施力，维持断流阀(40)关闭的状态。

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The Chinese government said this weekend that it will force the temporary closing of 426 dairy farms after they failed to pass an inspection test.

FORBES: Got Milk? China Closes Hundreds of Dairy Farms after Tainted Milk Scandal

Then-first lady Hillary Clinton chaired a health care task force that was sued for closing to the public several meetings with government and private officials.

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The Scot birdied three of the last six holes to card a closing 69 and force a play-off with Sweden's Robert Karlsson as they both finished on 10-under par.

BBC: SPORT | Golf | Warren breaks tour duck in Malmo