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關注：1
2013-05-23 12:21
求翻譯：FFOVV of measuring point 4 and measuring point 5 are also proved to be 2.051 Hz. FFOVV of measuring point 6 is I .172 Hz by the same calculation, but the displacement amplitude of 2.051 Hz is close to the one of 1 .172 Hz.是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
FFOVV of measuring point 4 and measuring point 5 are also proved to be 2.051 Hz. FFOVV of measuring point 6 is I .172 Hz by the same calculation, but the displacement amplitude of 2.051 Hz is close to the one of 1 .172 Hz.
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