adj. concentric ; concentrical
由一个同中心的半圆聚合物放置在金制膜层上构成的。
It consists of concentric semicircles of a polymer laid down on a gold film.
美国驻扎陆军合同指挥部——威斯巴登合同中心将是合同的授予方。
The Wiesbaden Contracting Center, which is part of the Army Contracting Command Europe, is the contracting activity.
同中心离子连接的配位体，数目称为配位数。
The number of ligands attached to the central ion is called the coordination number.
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