B: in the museums we can see that Chinese copper money had a long history.
B:在博物馆里我们可以看到中国使用的铜币具有很悠久的历史。
In the museums we can see that Chinese copper money had a long history.
在博物馆里我们可以看到中国使用的铜币具有很悠久的历史。
The effects of cyclic strain amplitude history and mean strain on the cyclic deformation behavior of pure copper were investigated.
揭示了紫铜在应变循环下的循环应变幅值历史、平均应变对循环特性的影响;
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