The zero - cross modulation technology uses existing power distribution network as transmision carrier.
过零调制技术完全利用现有电力网络为传输载体,无需额外增加系统设备,成本低廉.
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Scope Zero of five cross . Zero cross.
经营范围:五交化批零.
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Leading edge cuts the front from the the main - voltage sinus after the zero - cross .
飞机螺旋桨的前边缘在 零交叉 只后阻断了高电压的前峰.
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