ac frequency conversion technique
ac frequency conversion technique
交流变频技术
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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This technique has highly practical value and has been applied to the AC-AC frequency conversion display system.
该技术具有较高的实用性并已经用于交交变频显示系统中。
youdao
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This technique is of highly practical value and has been applied to the AC-AC frequency conversion display system.
该技术具有较好的实用性并已经用于交-交变频器的显示系统中。
youdao
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