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關注：1
2013-05-23 12:21
求翻譯：The concentration is derived from accurate measurement of the velocity of sound in the mixture, and of the mixture temperature. It is necessary to input the molecular weight and the principal specific heat ratio for the two components.是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
The concentration is derived from accurate measurement of the velocity of sound in the mixture, and of the mixture temperature. It is necessary to input the molecular weight and the principal specific heat ratio for the two components.
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