Making use of the rig general detecting laboratory to test the deferent maximal feeding force and drawing back force of drill rig, the validity of theoretic accounting value are analyzed in the paper.

利用钻机综合检测实验台测试成品钻机的输出最大给进力和起拔力来检验理论计算结果的正确性。

youdao

We believe that a force of about one hundred pounds was needed to pull the string all the way back on a long bow.

我们认为，拉动长弓上的弓弦大约需要100磅的力。

youdao

The police had to use force to hold back the crowd.

警察不得不用武力阻止人群。

youdao

The War Department sent General George Crook to punish the Indians and force them back to their reservation.

VOA: special.2010.04.08

Whenever there is a force, it can be traced back to a tangible material cause, which is all the time a force of contact, with the exception of gravity.

如果有作用力,那它一定能找到一个明确的实体施力物体,也就是无论何时物体受的都是接触力,引力除外

耶鲁公开课 - 基础物理课程节选

If the Union force attacked before Stonewall Jackson got into position, Lee could not possibly hold it back.

VOA: special.2009.10.15

I'm not going to slow down, stop, sit back and force my grandchildren to go to war.

FORBES: Magazine Article

That requirement was back in force yesterday as part of rules on what travelers can carry onto airplanes.

NPR: U.S. Clarifies Security Rules for Air Travel

And a number of exhibitors who sat last year's show out, such as GE Appliances, were back in force.

WSJ: A Glimpse of Home Building's Future