又称动量矩定理。质点系对一点（或一轴）的角动量对时间的导数等于外力系对此点（或此轴）的主矩，广泛用于处理刚体定点（或轴）转动问题。角动量定理的微分形式为dL/dt=M。
结果表明，与通常的角动量定理比较出现了修正项。
It is shown that there will be a revisional term in the generalized angular momentum theorem.
从动能定理出发，推导出一个对速度瞬心轴的角动量定理，它是一个简便的标量方程。
In accodance with kinetic energy theorem, this paper presents an angular mo- mentum theorem of velocity instantaneous centre axis. This theorem is a simple and convenient scalar equation.
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