Describing the factors affecting welding spares deformation, deformable harm to the spares and methods to control deformation in the manufacture of valve industry.
论述了阀门工业生产中，影响焊接零件变形的因素，变形对零件的危害，以及控制变形的方法。
After describing the type and the reason of the contracted-land adjustment, the author analyzes the factors to influence the land adjustment by multi-regression model.
本文在对农村承包地调整的形式、原因进行描述后，利用多元回归模型分析了影响农村承包地调整的因素。
It analyzed main factors of arising spectrum analysis error which including specimen decarburization layer depth, surface roughness, describing, etc.
分析了引起光谱分析误差的主要因素，如试样脱碳层深度、表面粗糙度、描迹等。
应用推荐