multiple beam scales 中文意思是什麼
multiple beam scales
解釋
多臂式臺秤-
When the axial speed varies harmonically about a constant mean one, the method of multiple scales is applied to the axially moving beam to determine the instability boundary due to parametric resonance
當軸向運動速度在其常平均值附近作簡諧波動時,應用多尺度法給出軸向變速運動梁參數共振時的不穩定條件。
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