Compared with district current, when the effective voltage or power is the same, the anti scaling effect of impulse curr...
与直流电流相比，在有效电压或功率相等的情况下，脉冲电流阻垢效果大大优于直流电流。
As surpassing the concepts of contemporary teaching, the post-modern teaching concepts play an important role in the teaching of the current new curr...
后现代教学理念是对现代教学理念的超越，其对我国当前基础教育新课程的教学具有重要影响。
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