二的三次方是八。
The third power of a number or quantity.
某一数或量的三次幂。
The results show that for the common pump control methods, the third power relation between the pump rotate speed(water volume) ratio and the shaft power ratio is not true;
分析结果表明，对于常用的水系统控制方式而言，水泵转速（流量）比与轴功率比的三次幂关系不成立；
The physical and chemical properties of the coal ash of Harbin Third Power Plant (HTPP) were conducted. Based on that, the quality of HTPP's coal ash was evaluated.
本文对哈三电厂的粉煤灰进行了物理化学性能研究分析，在此基础上，对哈三电厂的粉煤灰进行了品质评定；
The physical and chemical properties of the coal ash of Harbin Third Power Plant (HTPP) were conducted. Based on that, the quality of HTPP's coal ash was evaluated.
本文对哈三电厂的粉煤灰进行了物理化学性能研究分析，在此基础上，对哈三电厂的粉煤灰进行了品质评定；
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