振动: vibrate; vibration; vibrance ...的: 4次方是 The fourth power of 2 i ...基本: basic; fundamental固有振动: natural oscillation; natural ...模: mould; pattern; matrix振动的基本固有振模: fundamental natural mode of vibration基本固有振动模态: fundamental inherent mode of vibration基本固有振型: fundamental natural mode of vibration固有振动: natural oscillation; natural vibration; natural motion固有振动法: self-oscillation method无阻尼固有振动模态: undamped natural mode of vibration; under water acoustic measurment固有振动次数: grundschwingzahl fundamental frequency/fundamental vibration frequency固有振动方式: natural mode of vibration固有振动频率: eigentone; natural vibration frequency; natural-vibration frequency固有振动型式: natural frequency mode固有振动周期: natural period of oscillation; natural period of vibration; natural time of oscillation固有振动坐标: natural vibrational coordinates振动的基模: fundamental mode of frequency船体固有振动频率: hull natural frequency阻尼固有振动频率: damped natural frequency基本振动模式: fundamental mode of vibration振动模: mode of vibration; oscillatory mode; vibrating mold; vibromold振动的: oscillating; oscillatory; singy; vibratile; vibrating; vibrational; vibrative; vibratory光学振动模: optical mode of vibration核振动模型: nuclear vibrational model