dynamic mechanical methods 动态力学方法
pest control with mechanical methods 物理杀虫
mould control with mechanical methods 物理方法除霉
pests control with mechanical methods 物理杀虫
Mechanical test methods 机械试验方法
Mechanical and climatic test methods 机械和气候试验方法
Mechanical Optimum Design Methods 机械优化设计方法
The cells were passaged by mechanical methods, frozen and thawed by general procedure.
采用机械方法传代，常规方法冻存和复苏。
High pressure water jet and mechanical methods are the primary methods in the cleaning industry.
介绍了高压水射流清洗方法和机械清洗方法的特点和清洗行业中的应用范围。
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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