1) problem variable
问题变量
2) multi-variable problem
多变量问题
3) Variable Mass Problem
变质量问题
1.
Approach to a Special Variable Mass Problem;
对一个特殊的变质量问题的探讨
4) problem of few bodies with variable mass
变质量少体问题
1.
On the basis of Meshcherskii equation,the problem of few bodies with variable mass has been studied and its analytic solution has been also given by method of small parameter.
该文以变质量质点动力学方程 (密歇尔斯基方程 )为基础 ,建立了变质量少体问题的运动方程 ,并利用小参数方法得到了变质量少体问题的分析解。
5) problem of two bodies with variable mass
变质量二体问题
1.
According to Gylden-Meshcherskii equation and Ed-dington-Jeans law,the problem of two bodies with variable mass has been studied and the solution to the G-M problem for any value of k has been given in this paper.
该文采用Ｇｙｌｄｅｎ－Ｍｅｓｈｃｈｅｒｓｋｉｉ方程和Ｅｄｄｉｎｇｔｏｎ－Ｊｅａｎｓ定律研究了变质量二体问题并得到对于任意足值的Ｇ－Ｍ型变质量二体问题的解。
6) classical mass-variable problem
经典变质量问题
1.
This paper analyzes and discusses classical mass-variable problem by using some specific examples through the law of momentum, the law of kinetic energy, the law of angular momentum, the law of momentum conservation, the moving law of mass-center.
从动量定理、动量守恒、动能定理、动量矩定理和质心运动定理等方面入手 ,结合具体实例 ,系统地分析和讨论了经典变质量问题 。
补充资料：变量与变量值
可变的数量标志和所有的统计指标称作变量。变量的数值表现称作
变量值，即标志值或指标值。变量与变量值不能误用。
变量值，即标志值或指标值。变量与变量值不能误用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条