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He said he was sorry for what he saw as political pressure by President Obama to force BP to set up a claims fund for victims.
VOA: special.2010.06.19
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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。
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So the force that you're pushing down on here is the external pressure times the area.
或者压缩功的概念,在活塞上施加压力。
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At that speed, the pressure is three times the force of gravity.
VOA: special.2010.07.07
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We know the pressure is equal to force per area.
我们知道压强等于力除以面积。
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Akiva Eldar,a senior columnist with the Ha'aretz newspaper in Tel Aviv, says U.S.pressure may force Mr.Netanyahu to make tough political decisions.
VOA: standard.2009.06.09
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Pressure is force per volume area.
气体就被压缩。
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So the real pressure is not quite the same because of this attractive force as it was, as it would be without the attractive forces.
气体压强,由于分子间的吸引作用,会比理想气体要小,这样，我们应该修正p的值。
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