It is difficult to solve it by traditional mathematic and mechanical methods, so the numerical value analysis is used.
经典的数学方法和力学方法对大多数接触问题都难以解决，需用数值计算方法来进行分析。
It is difficult to solve it by traditional mathematic and mechanical methods, so the numerical value analysis is used.
经典的数学方法和力学方法对大多数接触问题都难以解决，需用数值计算方法来进行分析。
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