- 双语例句
1、
Off - grid photovoltaic power generation system includes two main aspects charge and inverter.
离网型光伏发电系统包括充电与逆变两个主要环节.
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2、
In off - grid system it is necessary to battery so its cost is relatively high.
在离网系统中,要外加专用的蓄电池,成本会更高.
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