A technique that allows the elucidation of the three-dimensional structure of proteins, DNA, or other biomolecules at atomic-level resolution.

阐述蛋白质、DNA或其它生物分子的原子水平的三维结构的技术。

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Proteins, the building material and the machines of life, can only become active when they fold and take on a three-dimensional structure.

蛋白质，生命的组成物质和机器，只有在正确折叠形成三维结构时才会具有活性。

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Two dimensional crystallization of membrane proteins is the base on which their three dimensional structure are solved by electron crystallography.

膜蛋白的二维结晶化是蛋白质电子晶体学解析膜蛋白三维结构的基础。

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"The three laureates have accomplished what many scientists thought impossible, namely to determine the three- dimensional structure of the molecular machine that makes all the proteins in a cell, the so-called ribosome,"

VOA: standard.2009.10.07