Since each atom is represented in a separated row, indices can help speed up the search for specific atoms within a given PDBML entry.
由于每个原子都在单独的一行表示，因此索引会非常有助于加速在一个给定pdbml项中对特定原子的搜索。
2
Grunberg's team created a sandwich of two several-atom-thick layers of magnetic iron separated by a layer of nonmagnetic chromium between them.
grunberg的团队创造了由两片几个原子厚的磁性铁，之间隔着一层无磁性的铬层的三明治。
3
Since the Accept header can contain a comma-separated list of desired types by the client, it is important to test the various types. Here are examples of when Atom should be returned.