指出为取得较高的（火用）效率，传热单元数和水当量比应仔细选择，它们有一最佳值。
The results show that in order to obtain higher exergy efficiency number of transfer unit(NTU)and capacitance ratio should be selected carefully for they have optimum values.
新循环的(火用)效率与参比循环相比提高了2.3个百分点。
The exergy efficiency of the new combined cycle is 2.3 percentage points higher than that of the reference cycle.
该循环的比功、热效率、火用效率均较简单循环燃气轮机有很大提高。
Such a cycle enjoys a significant enhancement in specific power, thermal efficiency and exergy efficiency as compared with a simple cycle gas turbine.
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