Purpose: the purpose of this study is to assess the high-resolution ct (HRCT) findings and clinical significancy of the connective tissue diseases with lung involvement.
目的:分析结缔组织病肺部受累的高分辨率CT (HRCT)表现及临床意义。
So it has great significancy to realize parameters optimum selection, reduce the requisition for operator, improve quality of spot welding.
所以实现点焊规范参数选择优化、降低对操作者的要求、提高点焊质量,具有重要意义。
This paper was explained the significancy of 「three green project 」in social econony, sustainable development and harmonious society construction and analyzed the current situation in Auhui province.