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。
Jaw muscles can provide about 200 pounds of force to bring the back teeth together for chewing.
颚肌可提供约200磅(90.72公斤)的力量，以便臼齿合拢咀嚼。
AMSTERDAM (Reuters) - A young Dutch architect has created a floating bed which hovers above the ground through magnetic force and comes with a price tag of 1.2 million euros (810,000 pounds).
目前，一名年轻的荷兰建筑师研制成功了一张通过磁力漂浮在半空中的床。这张床的售价高达120万欧元。
It was explained to me later that when they try and revive a person, they force fluids into the body to get the heart and blood circulating, often more than 20 pounds of fluid.
后来他们解释说，当抢救一个人时，他们会把大量液体注入身体让心脏跳动、血液循环，通常会注入20多磅液体。
Each insert withstands over 1,500 pounds (6672 n) of pull force when properly installed.
在正确安装后，每个嵌入件都能够承受1,500磅(6672N)的拉力。
If a required seal can be achieved without exceeding 45 foot-pounds of force, the connection can be used.
如果用不超过45英尺-磅的力能够达到要求的密封，这种接头就可以使用。
If a required seal can be achieved without exceeding 45 foot-pounds of force, the connection can be used.
如果用不超过45英尺-磅的力能够达到要求的密封，这种接头就可以使用。
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