To keep transmission power losses (I 2 r) and voltage drops to acceptable levels, voltage levels had to be high for long-distance power transmission.
为了保持发射功率损失(我2 R)和电压下降到可接受的水平，电压等级，必须长途输电高。
We would need new long-distance power transmission but the technology for providing this is advancing fast, and the countries of North Africa would get a valuable new source of income.
我们的确可能需要新的长途输电技术，不过相关技术现正长足发展中，而且，这技术将为北非国家带来一项宝贵的新收入来源。
Smart grid describes a more efficient, less costly method of moving electricity along long-distance transmission lines to local power lines and end-users in homes and businesses.
智能电网用效率更高、成本更低的传输方法——长距离地将电能传输到地方输电线、家庭和企业的终端用户。
应用推荐