A real-world voltage source has a very low, but non-zero output impedance: often much less than 1 ohm.

一个真正的世界电压源具 有非常低的，但不为零输出阻抗：通常远小于1 欧姆。

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The zero output and great consumption growth in China forms a sharp contrast to the rapid increasing capacity in neighboring countries.

零生产量与迅速增长的消费量和周边迅速增长的生产能力形成强烈的反差。

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The thermal shifts of both zero output and sensitivity of the pressure sensor are eliminated by the compensation With two bridges. A theoretical analysis and experiment are presented in this paper.

通过双桥间的互补，同时消除了压力传感器的热零点漂移和热灵敏度漂移，文中给出了温度漂移补偿的具体算法及相应的实验结果。

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In October year-over-year change in electrical output dropped below zero.

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Our bottom line is that there appears to be no good evidence that broken-windows (or zero-tolerance) policing reduces crime, nor evidence that changing the desired intermediate output of broken-windows policing disorder itself is sufficient to change criminal behavior.

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With unemployment high, output far below its potential, private spending still weak and interest rates close to zero, Mr Krugman and his allies argue that fiscal stimulus remains an essential prop to the economy and that deficit-cutting now will spell stagnation and deflation.

ECONOMIST: Global economic policy