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.

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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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