Voltage unbalance of three phase ac distribution systems adversely affects power customers.
配电系统三相电压的不对称会对用户造成一系列不利影响。
The distribution, structural features and splicing mechanism of at AC introns are discussed and compared with major class of introns.
文章介绍了该内含子的分布，结构特征及剪接机理，并与主内含子作了相应比。
When AC signal of microsyn output was demodulated to DC output, distribution capacitance may cause DC output self excitation.
在交流信号被解调成直流输出时，分布电容易引起输出级自激。
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