If someone finds a new copper field, or discovers a better way of producing wheat or steel, these increases in supply of goods confer a social benefit.

如果某人发现了一处新铜矿，或发现了更理想的方法去生产小麦或者钢铁，这些商品产量的增加会使整个社会受益。

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The results can be applied to the thermodynamic research of new copper smelting technologies adopting calcium ferrite slag.

研究结果可用于采用铁酸钙渣系的炼铜新工艺热力学研究。

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This paper introduced a new copper treatment agent ST-10+ for improving the adhesion of dry film to printed circuit board copper substrate.

本文介绍了一种能提高干膜与线路板铜基粘合力的新型铜面处理剂ST-10+。

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It may not be necessary to lay thousands of miles of new copper cables to tackle this problem.

ECONOMIST: ENERGY: Building the energy internet | The

The firm has introduced a new copper calendar swaps contract and also is embarking upon an educational program to increase awareness of copper options.

FORBES: CME Group's Hunnable: Copper-Trading Volume Sharply Higher; Big Rise During Asian Hours

And though Chile has developed new exports, copper made up 42% of its 1997 total.

ECONOMIST: Chile