以上来源于: WordNet
With several feet of car body in front of the driver, the energy of a crash can be dissipated and the suddenness of the change in velocity can be reduced, they say.
他们认为，如果驾驶员前方车体部分的尺寸能够达到几英尺长，就能消散碰撞产生的能量，降低速度变化的突然性。
The scientists found that the precursor wave front of a single photon always travels at c, like the signal velocity of large groups of photons.
科学家发现，单个光子的前驱波头一般以光速c传播，就像由大量光子携带的信号的传播速度一样。
The velocity and displacement of gas front and melt front increase dramatically.
熔体和气体前沿的速度和位移均急速上升。
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