动量矩的英文：
moment of momentum
momentum moment
n. 片刻，瞬间；时机；重要；力矩，矩
at this exigent moment
在此危急关头
On the spur of the moment
一时冲动
stalling moment
失速力矩|使气流离体力矩
He relaxed for a moment.
他浑身放松了一会。
At the very moment, there was a loud crack.
就在那一刹那，突然传来一阵巨大的爆裂声。
n. 动量，冲量；势头；冲力；动力
conserve momentum
使动量守恒
This was a campaign that gained momentum.
这是一场势头一直增强的运动。
The tremendous momentum of the Yellow River is inspiring.
黄河的磅礴气势使人振奋。
The gage deflection is due to the momentum transfer.
压力计的偏转是由于动量交换的原因。
This is the well-known principle of conservation of momentum.
这就是众所周知的动量守恒定律。