The space charge field has the essence distinction in the vacuum and the electric channel with plasma-background.

研究发现电子通道填充背景等离子体，其空间电荷场与真空中的有本质差别。

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Fin electric heating tube heater: large thermal inertia, stable heating power, not blocking the air flow channel, wide heating range, long service life.

翅片电热管加热器：热惰性大、加热功率稳定、不堵塞空气流通通道、加温范围宽、使用寿命长。

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Electronic commerce (electric business channel) is a timeliness is very strong discipline.

电子商务(电商频道)是一个时间性非常强的学科。

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The idea is to make the channel as thin as possible, allowing the electric field generated by the gate to penetrate the entire thing, thus improving the control that the gate is able to exert.

ECONOMIST: Transistors

In 2002 the Army Corps of Engineers (ACE) installed a series of electric barriers 37 miles downriver in the Chicago Sanitary and Ship Canal, an artificial channel that links the lakes with the Mississippi and its tributaries.

ECONOMIST: The Great Lakes