本文首先分析国内外扭转振动测量的研究现状，比较目前常用扭转振动测试方法的优劣。
First of all, researches on both domestic and foreign test techniques about torsional vibration are analyzed and comparing advantage and disadvantage between them is done.
实验仪器测试平台是准确测量的重要物质基础，它受到的振动可归结为单自由度的振动问题。
Experiment instrument testing bench is important matter foundation for accurate measurement. Vibration comes from a single variance.
实验仪器测试平台是准确测量的重要物质基础，它受到的振动可归结为单自由度的振动问题。
Experiment instrument testing bench is important matter foundation for accurate measurement. Vibration comes from a single variance.
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