The subsolar point will cross every latitude between these two extremes exactly twice per year.

太阳直射点每年恰好两次穿越这两个极端之间的所有纬度。

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The K21 can travel as fast as 70 kilometers per hour on paved roads and cross a river at a speed of 7.8 kilometers per hour with the help of its water-jet propulsion system.

K21可以以每小时70公里的速度在铺设的道路上行驶，喷气推进系统能每小时加速7.8公里，以这速度可以穿越过一条河流。

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Quite a few analysts believe Apple and HTC might come to a cross-licensing agreement that will cost HTC a fixed sum per handset.

不少分析人士认为，苹果可能和HTC达成相互授权协议，在每部HTC手机上收取一定费用。

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The piston has a cross-sectional area, a, and the force pressure is force per volume area.

我们以活塞系统为例，来说明膨胀功。

麻省理工公开课 - 热力学与动力学课程节选

We divide that by the mass, so 0.12 kilograms, that's the mass of a regulation baseball for the major leagues, and the velocity of the baseball is 42 meters per second. So, we can cross out our units doing our unit analysis.

我们用质量来除它，质量为0，12千克，这是大多数联赛规定的棒球质量,棒球的速度为42米每秒,所以，我们可以消去单位,来做单位分析。

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Moving right now, west around 14 miles per hour, should cross the western side of Cuba during the day, Tuesday.

NPR: Hurricanes Wreak Havoc In Haiti And Cuba

High oil prices also hurt: Concorde requires four times as much fuel per passenger as a 747 to cross the Atlantic.

ECONOMIST: Air travel: After Concorde | The

With a continuous shooting speed of up to 5.0 frames per second (fps) united with 9 all cross- type AF focus points, the new EOS Rebel T5i allows photographers the opportunity to shoot with ease, even in challenging shooting situations.

ENGADGET: Canon unveils EOS T5i and Rebel SL1, the world's smallest DSLR (hands-on)