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。
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。
The dynamic characteristics of the gap sensor necessary for suspensive control system in maglev vehicle, are difficult to measure at high frequency by mechanical methods.
在磁悬浮列车中，悬浮控制系统要求间隙传感器的动态特性，但无法用机械方法测试较高频率时的动态特性。
TJC contact net measuring apparatus USES supersonic, electronic, optical and mechanical methods to measure the height and pulling_out value of electrical engine contact net.
接触网测量仪采用超声、电子、光学、机械等手段测量电力机车接触网的高度和拉出值。
Investigation into the law of movement of roof stratum at the face, when a shortwalling system to the dip or along the strike of applied, is made with finite element and mechanical methods.
本文通过分析水采和旱采顶板运动的特点，采用有限元及力学的方法研究了水采工作面沿倾向与走向的顶板运动规律。
For the high slope of intake of diversion tunnel of Zipingpu Irrigation Project, the relationships of stress and strain are calculated by traditional mechanical methods of unloading and loading.
采用传统的加载力学方法和卸荷力学方法，利用数值计算对紫坪铺水利工程引水发电隧洞进口高边坡开挖后的应力-应变进行了研究。
For the high slope of intake of diversion tunnel of Zipingpu Irrigation Project, the relationships of stress and strain are calculated by traditional mechanical methods of unloading and loading.
采用传统的加载力学方法和卸荷力学方法，利用数值计算对紫坪铺水利工程引水发电隧洞进口高边坡开挖后的应力-应变进行了研究。
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