一般说来，努力学习到头来毕竟是值得的。
Generally speaking, learning hard is worth in the end after all.
然后提出力学系统有势的一般判据。
The general criterion of potential mechanical system is then presented.
提出动力学系统守恒定律构成的一般途径。
To present a general approach to the construction of conservation laws for the dynamical system.
阐述了结构力学中有限元法分析的理论依据及一般求解力学问题的过程。
In this paper, the analysis of finite element of structure mechanics is introduced.
阐述了结构力学中有限元法分析的理论依据及一般求解力学问题的过程。
In this paper, the analysis of finite element of structure mechanics is introduced.
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