【电路】【电工网课】正弦交流电三要素/最大值、有效值/角频率、周期、频率/初相位、相位、相位差
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【电工网课】详细介绍什么是正弦交流电？正弦交流电有哪三要素？最大值、有效值之间存在什么样的关系？什么是角频率、频率、周期？什么又是相位、初相位、相位差？感兴趣的就请进来看看吧！
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