About 84 GW of photovoltaics and concentrated solar power plants would be built by 2020. In parallel, the DC transmission system would be laid.
约能生产8400亿瓦的聚光太阳能发电及太阳能电池厂将会在2020年建成，与此同时直流电传输系统也有了一定基础。
In the electricity market, parallel flows will lead to transmission congestion and bring some serious problems to the power system due to the difference between contract paths and physical paths.
在电力市场中，由于电力交易的合同路径与其所经过的物理路径并不相同，由此产生的电力平行流可能会引发输电阻塞，给电力系统带来严重的问题。
In high speed transmission system such as SDH, parallel scrambling technique is required.
在高速传输系统如sdh中，需要用到并行扰码技术。
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