Two breadths of cloth are needed for the skirt.做这样的裙子需要两块布料.The uterus was palpable 2 finger - breadths below the umbilicus.子宫可以在脐下2指宽处触知.Each span has twelve finger - breadths.各自的跨距拥有十二个手指宽度....
Defense planners predict an extended period of retrenchment.国防规划人员预计开支紧缩期会延长。Retrenchment in the colleges could force thousands of students back into the unemployment lines.学院若缩减经费,数千名学生将被迫回到失业工人的行列.The company is in for...
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...