prlnciple

常见例句

• CHEN Guo-zhu,LU Zheng-yu,QIAN Zhao-ruing.The general prlnciple of active filter and its application[J].Proceedings of the CSEE,2000,20(9):17-21.
  [1]陈国柱;吕征宇;钱照明.;有源电力滤波器的一般原理与应用[J]
• two - position north seeking prlnciple
  二位置寻北原理
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