常見(jiàn)例句

雙語(yǔ)例句

• Multilevel converters are being more widely used, but the DC capacitance voltages are not easily balanced and the pulse width modulation (PWM) control scheme is difficult.
  多電平變頻器正逐漸成為中高壓大容量調(diào)速系統(tǒng)領(lǐng)域中的研究熱點(diǎn)，直流電容電壓平衡和脈沖寬度調(diào)制（PWM）控制算法是研究難點(diǎn)。
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