能量有许多种形式存在，各种形式的能量的来源、用途不尽相同，人们为了方便利用，需要将能量在不同形式之间转换，得到所需形式的能量与输入的能量之比即是这次能量转换的效率。
由于系统内物质的反馈，能量转换率较高。
Energy conversion rate was higher because of the feedback of materials in the system.
测量了布里渊频移及能量转换率，对所观察现象进行了讨论。
Brillouin frequency and coefficient of energy transfer was measured. The phenomenon observed was discussed in the paper briefly.
依据能量转换的观点，分析了机构中粘弹性阻尼材料的静、动态对振动能转换率的影响。
The static and dynamic characters of the viscoelastic materials were analyzed on the energy transformation rates for the suspensions.
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