铜及铜合金线在生产、贮存、运输过程中极易发生氧化及变色。
Copper and copper alloy wires are easily to be oxidized and discoloured during production, transportation and storage.
对铜合金可见光谱线进行了计算机数字模拟处理，研究了基体元素铜和各成分元素的可见光谱特征。
The visible spectrum characteristics of the copper matrix and component in Cu-based alloy were(studied) with computerized digital simulation processing technique.
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