For most small and more still no symptoms, and in general X-ray found that stones, often do not require treatment.
对大多数小而多的静止无症状、而在常规X线检查时发现的结石，常不需治疗。
Based on the detailed study on the structure of X ray diffractometer, an updated computer system, including computer interface, hardware and software, in general X ray diffractometer is developed.
详细分析了x射线衍射仪结构，介绍了改造此类仪器的方法，包括计算机接口设计和软件编程、安装等。
In this paper, a new general method of X-ray quantitative phase analysis without standards is presented.
本文提出了通用的无标样X射线衍射定量相分析的新方法。
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