acoustical insulation的用法和樣例：
例句
- In theis paper, the characteristics of sound insulation of a typical aicraft sidewall structure have been investigated.
研究了典型飛機壁板結構的隔聲特性。 - The result is important for solving the problems of the bad repeatability and low measurement accuracy in the structure sound insulation measurements.
對解決結構隔聲測試方法中聲源信號可重複性差，測試結果精確度不高的問題具有重要意義。
