平均功率是所做的功除以做功所需的时间。
The average power is the work performed divided by the time required for the performance.
研究结果表明，随着台阶高度的增加，采出矿岩平均运输功含量呈下降趋势。
The research result showed that the average transport work content of ore and rock in open-pit decreases as bench height increasing.
在同样晶粒度和硬度，不添加杂质的条件下，马氏体有较低的屈服强度、较高的冲击断裂功以及较低的塑脆转变温度，这些都由于较细的平均碳化物尺寸引起。
For the same grain size and hardness in the unembrittled conditions, martensite has lower yield strength higher Charpy fracture energy and lower FATT due to finer mean carbide size.
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