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...
All dates should be completed according to Gregorian Calendar.表中所有日期均须按阳历填报.When Sweden moved to the Gregorian calendar, December 13 stuck.虽然瑞典人开始采用公历, 但是12月13日却被保留了下来.September is the ninth month of the year in the Greg...
It is gross incivility to refuse answer when spoken to.当人家找你说话时拒绝答应是极其无礼的事.Was not this some excuse for incivility , if I was uncivil?即使我刚才真是无礼,难道这不是我无礼的某种起因 吗 ?...
Height: 23 cm; 5 ringlets, 3 hooks and 1 eyelet.高度: 23厘米; 5一小卷, 3个钩和1圆孔眼.to form ringlets形成发卷She twisted her hair in ringlets round her finger.她把头发卷在手指上使之呈发状.The axe cleaved in front of Heyward, cutting some of the flowi...
You have to do everything you can. You have to work your hardest. And if you do, if you stay positive, then you have a shot at a silver lining.你必须全力以赴,最大限度地去努力。如果你这么做,并且保持乐观,你就会看见乌云背后的幸福线。The company I work for went thro...