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由晶体的X射线衍射的实验数据直接求周相角的方法通称“直接法”。近年来,这种方法广泛用于测定有机化合物的晶体结构,它与电子计算机的应用相结合,使得晶体结构测定工作的速度有了显著的提高。
The method of finding the phase angle directly from the experimental data of X-ray diffraction of crystal is commonly called “direct method”. In recent years, this method has been widely used to determine the crystal structure of organic compounds, and its combination with the application of electronic computers, making the crystal structure determination of the speed of work has been significantly improved.