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| 1. | Copper is the best conductor of heat, having about 7 times the conducting power of iron, while iron conducts |
| 铜是最好的热传导体，其导热能力约为铁的7倍，铁的导热能力是水的100倍，而水的导热能力是空气的25倍。 |
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| 2. | The best conductor has the least resistance and the poorest the greatest. |
| 最好的导体电阻最小，最差的导体电阻最大。 |
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| 3. | However, Richard Strauss, a master composer, Wilhelm Furtwangler, the world's best conductor at that |
| 而另外一些人，像大师级的作曲家理查·施特劳斯、世界指挥坛上第一人富尔特文格勒，以及后来名声很大的卡拉扬等人，就不那么磊落、不那么正气浩然。 |
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| 4. | Next to silver copper is the best conductor of electricity. |
| 铜是仅次于银的最良导电体。铜必须提纯才可获得最好的导电性能。生产出的纯铜一半以上都用于电气工业。 |
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