如果冲量为零, 则动量不变.If the impulse is zero, there is no change in momentum.正周相动力冲量的定义可以用类似的式子表示.The positive phase dynamic impulse can be defined by a similar expression.用于碰撞过程的动量定理——冲量定理.The momentum theorem applied to an imp...
Research suggests that babies learn to see by distinguishing between areas of light and dark...研究表明婴儿通过辨别光亮和黑暗的区域来学会看东西。There is a dichotomy between the academic world and the industrial world.学术界与工业界有着天壤之别。There is a cl...
Under these laws, he said, Mr. Rice's assets could have been frozen.他说根据这些法规，赖斯先生的资产可能已经被冻结了。The petals can be cooked with rice to colour it yellow.可以把这些花瓣跟米饭一起煮，使米饭变成黄色。Fish and rice were the mainstays of the count...
Melanie did not seem to know, or care, that life was riding by with jingling spurs.媚兰好像并不知道, 或者不关心, 生活正马刺丁当地一路驶过去了呢.The jingling piano at last is silent, and the Harmonic friends rally round their pillows.叮叮当当的钢琴声终于停止, 和...
With a terrified whinny the horse shied.那匹马惊了，发出一声可怕的嘶叫。The little colt shied at the fence and refused to jump over it.这匹小雄马到障碍物前害怕了, 不敢跳过去。The horse shied at the loud noise and threw its rider.那匹马听到响声吓得向后倒退,把骑手摔了下来.Ade ...