Based on fatigue life prediction theory, fatigue life curve of dangerous points of wheels under force of a certain locomotive was established.

根据疲劳寿命预测理论，建立了某机车车轮受力危险点在不同路况下的疲劳寿命曲线。

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The compressed spring when force is removed, returns to its original position, the distance that a spring compressed under force depends on the rate of the spring.

当压紧力撤除时，被压紧的弹簧恢复到初始状态，在压力作用下，弹簧的压缩变形量取决于该弹簧的刚度。

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In medieval times, a lance couched under the rider's arm, unifying the force of rider and weapon, would throw its wielder backwards off the horse at impact.

在中世纪，一把长矛被放在骑手的臂膀下，以统一骑手和武器的力量，一旦受到冲击，持兵器者就会向后摔下马去。

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One of the biggest changes is that the task force now advises against mammograms for most women under fifty years old.

VOA: special.2009.11.18

That is, you minimize potential energy and you see things falling under the force of gravity and so forthgoing to potential energy minima in conformance with this result.

换句话说，你使得势能最小化,然后发现我们关注的东西,在重力或者其他力的作用下下落,直到势能最小的地方,这和我们刚才的结果是一致的。

麻省理工公开课 - 热力学与动力学课程节选

You just kind of swept them under the rug, but now, you are out there in full force with your knives sharpened.

只是把它们隐藏起来了，但是现在，竭尽全力站在那儿,拿着削尖了刀。

麻省理工公开课 - 固态化学导论课程节选

Mines responsible for between 100 and 140 million tons of annual coking coal production are now under force majeure, representing as much as 40% of global supply.

FORBES: Australian Floods Cause Drought in the Coal Market

Under one, small dust grains circling around a parent star collide, get larger and larger, and under the force of gravity develop into a much larger object.

WSJ: Possible New Planet Spotted Under Formation

Under one scenario, small dust grains circling around a parent star collide, get larger and larger, and under the force of gravity develop into much larger objects.

WSJ: Possible New Planet Spotted Under Formation