In the scope of internal limits maximum rated current power, Electricity can transfer data bidirectional, Electricity is zero, automatic switch off.
在额定电流范围内能限制最大使用功率；电卡能双向传递数据；电量为零时，自动拉闸断电。
Sinusoidal steady-state maximum average power transfer theorem is important content in circuit teaching.
正弦稳态最大功率传输定理是电路教学中的重要内容。
Sinusoidal steady-state maximum average power transfer theorem is important content in circuit teaching.
正弦稳态最大功率传输定理是电路教学中的重要内容。
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