电价差价
electricity price difference
差异电流保护
differential current protection
峰谷电价差
electricity price between peak and valley
difference of electric price between the mount and the valley
购电电价
purchase electricity price
可停电电价
electric price of interruptable load
气电差价
the price difference between natural-gas and electricity
试论售电电价的改革
Discussion About the Electricity Price Reform
同步差异电动机
chemical ionization mass spectrometry
报价差异度
bidding differenc e degree
bidding difference degree
母体方差差异性
Variance difference of a population