This paper proves an inequality based on a positive function with mathematical induction and demonstrates its application with examples.
利用数学归纳法证明了一个关于正值函数的不等式，并举例说明了其应用。
This paper infers the dynamical equation of relative motion by introducing the concept of generalized potential; and illustrates its application with examples.
引入惯性力广义势的概念，推出非惯性系中的拉格朗日方程，并举例说明了其应用。
The paper studies the mechanical reliability based on wear of hinge. It analyses the principle and method of the research of reliability, and introduces its application with examples.
研究了基于铰链磨损的机构可靠性，分析了可靠性研究的原理和方法，并通过实例说明其应用。
The paper studies the mechanical reliability based on wear of hinge. It analyses the principle and method of the research of reliability, and introduces its application with examples.
研究了基于铰链磨损的机构可靠性，分析了可靠性研究的原理和方法，并通过实例说明其应用。
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