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何货郎作恶多端。The outer surface is plated with oxygen-free copper, and the raw materials of the core wire are brass, bronze and miscellaneous copper. Because the raw materials of copper inside and outside are different, it is called copper clad copper. The quotation is moderate, and the quotation for miscellaneous copper is usually only half or lower than that for oxygen-free copper. The produced wire is attributed to non-standard wire, and its anti-twisting and anti-oxidation functions are better than those of copper-clad aluminum. Suitable for induction and wiring engineering with low accounting, it can lay hidden lines in the wall. However, due to the influence of raw materials, the resistance is relatively large, with a 100-meter resistance of 25-35 ohms or even more, and the signal attenuation is very large. It is not so-called all-copper. We pay attention to the distinction.新西班牙总督弗朗西斯科则是一位标准的贵族，头发与胡须同样齐整，高领衬衣，紧身贵族小袄，双目颇显威风与不羁，只是面对杨长帆不得不收敛几分。可是，若是他一直掌握着兵权，始终是个隐患啊。再说，不是还有我娘么。The world is very complicated, full of phenomena, facts and various viewpoints (insights, lies and deception). We need to extract the consistency behind them in order to quickly understand and understand the world. This consistency is the dimension in the classification. The classification of the three worlds is just to find a classification method for countries that we have not used before. The traditional classification of countries is based on geographical location (five continents), population (large and small countries) and development stage, while the three worlds are classified according to their relationship.