论文部分内容阅读
铜是人类最早发现也是最先应用的古老金属之一,早在公元前6000年人类就开始使用铜。铜因其具有许多优异的特性和奇妙的功能,为人类社会的进步作出了不可磨灭的贡献;而且随着人类文明的发展不断开发出新的用途。铜既是一个古老的金属,又是一个充满生机和活力的现代工程材料。
Copper was one of the earliest discovered and first-used ancient metals in mankind. As early as 6000 BC, mankind began to use copper. Copper has made indelible contributions to the progress of human society because of its many excellent features and wonderful functions. And it has continuously developed new uses as human civilization progresses. Copper is both an ancient metal and a modern engineering material full of vigor and vitality.