... normal vibration mode 固有振型 ; 主振型 normal operation mode 正常运行方式 ; 正常操作模式 normal execution mode 正常执行态 ; 正常执行状态 ...
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建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。
Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established.
建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。
Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established. The natural frequencies and mode shapes of the model are calculated.
编制了辗环机主轴部件动态特性分析的计算机程序，求出各阶固有频率及其主振型。
Compile a computer program to compute the dynamic characteristics of spindle. Each natural frequency and principal mode of vibration is obtained.
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