回复cekongzhenghong发表于：2011/6/13 17:53:26悬赏金额：
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1.Another common type of resistor is the thin-film resistor.This is made by depositing a thin film of metal on a cylindrical insulating support.High resistance values are a consequence of the thinness of the film.
2.Resistors are circuit element having specified values of resistance support;and these wire-wound resistors are generally used when it may be necessary to dissipate considerable heat.
1.另一种常见电阻是薄膜电阻。在圆柱形绝缘体上沉积一层金属薄膜制成。通过膜厚度可得到高电阻值。
2. 电阻器是具有特定电阻值的电路元件，当可能需要大量散热时，通常使用绕线电阻。
smileqing 回复于：2011/6/14 10:59:22
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