在单位功率因数整流器中，利用瞬时值比较法来控制电源电流，不但控制简单，还可有效限制器件的最高开关频率。
The method of instantaneous value comparison for source current control of unity power factor rectifier possesses advantages of simplicity as well as valid restriction for maximum switching frequency.
“单位造价调整法”应归入市场比较法吗?。
Shall "Unit Cost Adjustment Method" Belong to Comparison Approach?
“单位造价调整法”应归入市场比较法吗?。
Shall "Unit Cost Adjustment Method" Belong to Comparison Approach?
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