Voltage and current are two most direct parameters.

电流和电压是最直观的两个电参量。

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Voltage and current must be present in a circuit if electricity is to do work.

在电路中如果电要做功，就必须有电压和电流的存在。

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The ce circuit is widely favored since it can be designed for good voltage and current gains.

CE电路得到广泛的使用，因为它能获得高电压增益和高电流增益。

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Large-scale electricity transmission usually uses alternating current, in which both current and voltage oscillate.

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For example, a system could be injected with current and voltage to see how it would react.

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The resin within the carbon layers is laced with lithium ions, so that each layer acts like an electrode, causing the positively charged lithium ions to collect in one layer when a voltage is applied, and a current to flow when the sandwich is placed in a circuit.

ECONOMIST: Carbon-composite batteries