The paper expounds the principle and the method of measuring zenith distance for celestial positioning based on the direction of gravitational force line.

论述了在海上进行天文定位时以重力线作基准直接测定天体顶距的原理和方法。

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The stresses in the glenoid fossa were the greatest in the back slope of the articular eminence. The regions of the greater compressive stresses of the mandible were those around the force line.

下颌骨较大压应力区位于力的作用线周围区域，较大拉应力区位于下颌支后部及下颌角附近区域。

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Or whether you take a very hard line against them to try to force changes coming in from below within the government.

VOA: standard.2009.08.14

The force may taper off, the force may not be given by a straight line, but for modest deformations, every spring will have a linear regime in which the force is linearly proportional to the stretching.

它产生的力可能会渐渐消失,力的曲线可能不是一条直线,而有轻微的弯曲,每个弹簧都有一个线性区间,在这一区间内,力和伸长量是线性关系

耶鲁公开课 - 基础物理课程节选

You know, one famous tactic is--if you have an infantry force coming forward, you send tanks in it to break up the line of the infantry, so that you can defeat the infantry in that way.

最有名的战术是,如果有敌方步兵逼近,你把坦克派过去,破坏他们的步兵阵型,以这种策略对付步兵

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Fast forward two decades, and the Air Force line still compels sneaker geeks everywhere.

FORBES: Meet The Man Behind Nike's New Air Force 1

Oh, and you need a real sales force to line up offers from local merchants every day.

FORBES: Have I Got a Deal For You!

Those numbers include the Montgomery County Police, the Rockville Police Department, the FBI task force hot line, a priest in Ashland, and CNN's Washington bureau.

CNN: Letter found at shooting scene