Back in 1971, Chua was examining the four basic quantities that define an electronic circuit.

回到1971年，Chua在观察组成一个电路的四个基本参数。

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There are at least three electrical quantities in any circuit, these are current, voltage and resistance.

在任何电路中至少有三个量，它们是电压、电流和电阻。

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There are three quantities in a circuit which we need to measure.

在电路中我们有三个量需要测量。

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Micro-grids are an important solution: a combination of a generator and hardened distribution system can supply reliable and larger quantities of electricity to a small circuit of users including emergency services, shelters, gas stations and grocery stores.

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And if it can be built small, using an integrated circuit process, it can be made cheaply and scaled to quantities of millions.

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