The inverter arc welding power source is the new power source and features high speed, small DC current ripple, stable arc, light weight, small capacity and low power consumption.
逆变式弧焊电源是新一代的弧焊电源，其特点是速度快，直流输出电流波纹小，电弧稳定，质量小，体积小，能耗低。
DC low resistance, small, may correspond to current use.
直流电阻较低，小型，可对应大电流用途。
The technique of paralleling current sharing of switching power is introduced; the small signal model of the single DC/DC module and the multi-module is analyzed.
文中介绍了电源并联运行的各种均流技术，对单模块DC／DC电源和多模块电源并联运行进行了小信号分析。
Aim to observe the effect of direct current (DC) therapy on apoptosis of lung cancer cells and study the inducement and mechanism of small DC electric field in the apoptosis of lung cancer cells.
目的观察应用直流电疗法对肺癌细胞凋亡的影响，研究直流小电场对于肺癌细胞凋亡的诱导作用及其可能机制。
It can not only measure DC current magnetic field but also alternative current magnetic field. This system has small volume, high capability, and wide frequency range.
本智能磁场测量系统既适合测量直流磁场，又可测量交变磁场，且体积小，性能高，适用频率范围宽。
In this paper the small signal model following the DC-link of the traction converter system is established and the mechanism of DC-link voltage and current oscillation is analyzed in detail.
本文建立地铁牵引变流器关注直流侧的系统小信号模型，详细分析直流侧振荡的产生机理。
In this paper the small signal model following the DC-link of the traction converter system is established and the mechanism of DC-link voltage and current oscillation is analyzed in detail.
本文建立地铁牵引变流器关注直流侧的系统小信号模型，详细分析直流侧振荡的产生机理。
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