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1)  ideal bilateral holonomic constraint
双面理想完整约束
1.
The conservation law of mechanical energy in variable mass mechanical systems with ideal bilateral holonomic constraints is studied.
研究具有双面理想完整约束的变质量力学系统的机械能守恒律。
2)  ideal bilateral constraint
双面理想约束
3)  unilateral non-holonomic constraints
单面非完整约束
4)  unilateral holonomic constraints
单面完整约束
1.
Perturbation of Lie symmetries and a type of generalized Hojman adiabatic invariants for variable mass systems with unilateral holonomic constraints;
变质量单面完整约束系统Lie对称性的摄动与广义Hojman型绝热不变量
2.
In this paper, the Mei symmetry of variable mass systems with unilateral holonomic constraints is studied.
研究变质量单面完整约束系统的Mei对称性 。
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5)  incomplete ideal constraint
不完全理想约束
1.
Ideal constraint can be divided into complete ideal constraint or incomplete ideal constraint according as generalized ideal constraint forces equal to zero or not.
对于理想约束，按照广义理想约束力是否为零，把理想约束分为完全理想约束和不完全理想约束。
6)  complete ideal constraint
完全理想约束
1.
Ideal constraint can be divided into complete ideal constraint or incomplete ideal constraint according as generalized ideal constraint forces equal to zero or not.
对于理想约束，按照广义理想约束力是否为零，把理想约束分为完全理想约束和不完全理想约束。
补充资料：理想约束
    　　（见约束）。
　　

说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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