The analysis of modulation wave theory has very important theoretical and actual meaning for studying nonsine alternating current.
谐波理论分析对于非正弦交流电路的研究具有重要的理论和实际意义。
2
According to the principles of numeration table, the author puts forward simple but practical methods of how to measure the mean values, virtual values and peak values of nonsine waves.
根据数字万用表的测试原理，提出了用其测量非正弦波电压平均值、有效值及峰值的简单实用的方法。
3
Successful agricultural reform is also a sine qua non of Mexico's modernization.