在无锡电影制片厂调查了一些含银水体中的浮游甲壳动物。
Zooplanktonic Crustacea in some water bodies containing silver in Wuxi Cinefilm Factory was investigated.
它们的交换价值并不取决于他们的含银量，而事实上是按其全部面值兑换黄金，而这种兑换又是可以在任何时刻无拖延、无成本地进行。
Their exchange value depended not on their silver content, but on the fact that they could be exchanged at every instant, without delay and without cost, at their full face value against gold.
目前许多韩国公司使用含银或者铜的导电涂料，它们主要是从美国进口的。
Currently many Korean companies use the conductive paints comprising silver or copper, which are mainly imported from America.
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