In this paper a method to evaluate heat rate is presented.

本文提出了一个方法供探讨。

This conclusion is some value to reasonably choose test condition and decrease heat rate.

结论对于合理选择汽轮机真空系统严密性试验的工况,具有参考价值.

The differences of the heat rate before, during and after the operation were nonsignificant.

心率术前组、术中组、术后组之间的差别无统计学意义。