three-phase ac power supply
three-phase ac power supply
三相交流电源
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In order to solve the requirement of high precision equal phase in three-phase AC power supply, one AC power supply is designed based the traditional DDS technology.
针对某设备所需的三相电源相位精度要求高的特点，在传统DDS技术的基础之上，设计了一款高度对称的三相电源。
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