题目内容
单相全桥逆变电路带电阻负载，当控制信号为180°控制方式时，输出负载电压3次谐波有效值为( )。
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单相全桥逆变电路带电阻负载，当控制信号为180°控制方式时，输出的负载电压基波有效值为( )。
课文里除了cycling之外，还用了另外3个不同的单词或者短语表示“骑行”，请找出来并填空
Which are 5 health benefits of cycling?用课文的句子来回答
Put them into right orders according to the videoA Why did you not shun the occasion of sin?B Why did you sin?C Why did you lend an ear to the temptings of friends?D Why did you not give up that lured habit, that impure habit?
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