电能是由铺设在屋顶并与变极器和直流电网相连的PV板提供.The electricity is supplied by roof - mounted PV cells linked to an inverter and a DC net.电能是由铺设在屋顶并与变极器和直流电网相连的pv板提供.The electricity is supplied by roof - mounted PV cells linked to inverter ...
He was a paradox—a loner who loved to chat to strangers.他真是个矛盾人物,生性孤僻却又喜欢和陌生人闲聊。Although strictly illogical, Martin's interpretation of this paradox seems the best.马丁对于这一悖论的解释尽管严格说来不合乎逻辑, 卻似乎是最好的解释了.The paradox is t...
Illuminance of illuminating radiation is always measured in photometric units.照明辐射的照度通常是以光度为单位.It refers to the specified average illuminance value on the lighted surface.规定的被照明表面上的照度平均值.Over a surface , Illuminance aver...