The paper analyses the causes of overload of neutral line and great errors of measuring instrument by harmonics electrical line.

对电气回路中因谐波造成的电力线路中性线过载和测量仪表出现较大误差的原因进行了分析，探讨了抑制谐波的措施。

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The paper presents the causes of harmonics current and overload hazard of neutral line and phase line by harmonics in electrical line.

阐述了电气回路中谐波电流产生的原因及其引起中性线和相线过载的危险。

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To solve several typical equations of electrical line of force by using line-of-force equation, one can draw the diagram of electrical line of force.

利用力线方程，对几种典型的电力线方程进行求解，得出电力线图。

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When Nissan launches its new line of electrical vehicles in America in 2010, it will initially target fleet buyers, which can provide their own charging stations.

ECONOMIST: Renault-Nissan's ambitious plans for all-electric cars

In 2009, the El Dorado Task Force, a joint federal and state law enforcement effort focused on money laundering and other financial crimes, built an air-tight case against nearly a dozen Con Edison employees for taking kickbacks from contractors that performed gas line and electrical work for Con Edison on construction projects in New York City and Westchester County.

FORBES: Is Wall Street Wrong About Con Edison? Probably.

It comprises a few rows of identical houses, built to house the workers of a hydro-electrical dam and a brief line of shops.

BBC: The dinosaur route of northwest Patagonia