Because gravity is a constant, experienced quarterbacks and kickers can account for its effects to move the ball downfield as efficiently as possible.

因为重力是常数，经验丰富的中卫和前锋可以算出重力的影响，尽可能迅速的把球传到前场。

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As you move onto the more expensive zoom lenses, they maintain a constant aperture.

当你继续研究比较昂贵的变焦镜头时，你会发现它们有着恒定的光圈。

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The liquid vaccines they require are often temperamental, needing constant refrigeration and thus what is known as a "cold chain" to keep them in tip-top condition as they move from factory to clinic.

液状疫苗通常非常娇气，需要持续冷藏保存，于是在从工厂到诊所的过程中，疫苗都被保存在低温运输系统中享受一流的待遇。

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"Military folks move every two years generally, two to three years, and so that turnover and that constant influx of buying houses,buying cars, buying clothes for schools, is just a huge impact to the Enterprise community."

VOA: standard.2010.08.10

But things which were at rest will move at a constant velocity, opposite of the velocity that you have relative to me.

这些静止的东西都在匀速运动,方向正好跟你相对我运动的速度方向相反

耶鲁公开课 - 基础物理课程节选

You put a chunk of wood on a table and you try to move it at constant speed.

你把一大块木头放在桌子上,试着让它匀速运动

耶鲁公开课 - 基础物理课程节选

Companies that were quick to spot the move to constant computing but misjudged the resources needed are now scrambling to size themselves correctly.

FORBES: Magazine Article

"The process of bidding, looking at results and strategizing with our clients to figure out their next move can be constant, consuming and all-encompassing, " says Herman, Towerstream's outside legal counsel, who is also representing several other bidders interested in different geographic areas.

FORBES: Peeking Into The Spectrum Auction

The England midfielder, who has been the subject of constant speculation linking him with a move to Chelsea, missed the game in Turin with a groin injury.

BBC: Liverpool celebrate victory over Juventus.