目录1引言.......42数形结合思想在中学数学解题中的应用.·：2.1将代数问题几何化...…分2.1.1利用二次函数图像解决最值问题52.1.2利用几何图形证明数学公式2.1.3利用几何图形求解集合问题..·6...

Research on End Mill Wear Detection Based on Machine VisionAbstractIn the milling process,there is inevitably end mill wear.when the wear and tear is nottimely feedback to the staf...

中国地质科学院博士论文撞造山阶段的火山岩和后碰撞伸展作用，可能对晚古生代一早中生代的成矿作用不利。新生代碰撞转换造山作用在三江北段形成两种构造变形样式，即走滑拉张和挤压汇聚，在走滑...

The application of differential equation in mathematics of postgraduateentrance examinationAbstractThe theory of ordinary differential equation has been established for more than 3...

Magnetic Pipeline Leak Detection TechnologyBased on Circumferential ExcitationAbstractThe issue is in close connection with actual scene,solves the quantitative andintelligent prob...

本科论文摘要图书馆作为人类文明的记录者与见证者，有着十分悠久的历史，它传递着知识，保存着传承，也承载着不同时代人的情怀。很荣幸能将大学期间所学到的知识运用到这一特殊的建筑物的结构设...

Research on the teaching of solving math problems in middle schoolsAbstract Mathematics teaching is more important to a high school class,solve mathematicalexcelling in math have c...

AbstractAlong with the development of the computer technology,the numerical simulationtechnology was used widely in metal forming process,based on rigid-plastic FEM,thenumerical si...

本科论文摘要沈阳英才小学图书馆建筑结构主要由建筑设计和结构设计两部分组成，结构的主体为钢筋混凝土框架结构，框架结构由覆盖物，梁，柱组成。框架结构可以提供较大的建筑空间，具有灵活的平...

目录一、绿色贸易壁垒的概念及特征..….1(一)绿色贸易壁垒的概念..1(二)绿色贸易壁垒的特征...二、绿色贸易壁垒的形成原因.·….2二、绿色贸易壁垒对我国的影响.·.….2(一)对我国对外贸易的总...