The DNA in all organisms is under constant attack from highly reactive chemicals and radiation, and errors are often made when it is copied.
所有生物组织中的DNA都处于被高度活跃的化学物质和辐射的不停攻击之下，而且DNA复制过程中经常出错。
We use the AAO as template, well-aligned and highly ordered nano-hole array copper membranes were copied from the template by vacuum plating.
我们利用AAO膜为模板，采用物理的方法制备得到了金属铜的纳米孔洞阵列膜。
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