characteristics of natural vibration
frequency of natural vibration
natural character of coal
Natural vibration
固有振动
固有振荡
自振频率
自由振动
自振特性
振动特性
自然振动
自振
natural vibration amplitude
natural vibration behavior
Natural Vibration Characteristic
Natural vibration characteristics
natural vibration frequencies
natural vibration frequency
自振频率
固有振动频率
固有频率
自振周期
自振特性
动力特性
Natural Vibration Period
natural vibration property
performance of natural vibration
Vibration natural frequency
natural draught natural draft
~(15)N natural abundance
“the eleventh five-years′plan” of alleviating natural disasters
10000 m3 natural gas spherical tank