This paper makes use of free vibration method, using the same model and measuring device to identify the flutter derivatives of the girder.

本文对主梁的颤振导数识别，采用与主梁颤振分析试验相同的节段模型和测量装置，以自由振动法进行试验。

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Each flower is a butterfly turned from youth, whose free flutter is driven by the power of love.

朵朵花儿都是青春的化蝶，爱的力量使它自由飘飞。

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Each flower is a butterfly turned from youth, whose free flutter is driven by the power of love.

朵朵花儿都是青春的化蝶，爱的力量使它自由飘飞。

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