完整力学系统的Lagrange方程,非完整系统带乘子的Lagrange方程,MacMillan .... 完整力学系统, 准坐标
回答: 动量化货币的原理 动量一词是物理学的概念。在常速条件下 动量是描述运动物体的矢量,等于物体质量与速度的乘积。
由 marketreflections
于 2011-02-04 14:37:38
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