...在第一象限,∴-b2a>0,∴b>0,而抛物线与y轴的交点在y轴的上方,∴c>0,∴abc<0;(2)顶点C是矩形DEFG上(包括边界和内部)的一个动点,当顶点C与D点重合,顶点坐标为(1,3),则抛物..
基于36个网页-相关网页
企业理论包括对企业的本质、企业的边界、企业的内部组织和企业的竞争优势等方面的研究。
The firm theory includes the theory of the essence of firm, the boundary of firm, the interior organization of firm and the competitive advantage of firm.
计算的边界条件包括燃气加热,内部对流冷却,气膜冷却和冲击冷却的对流换热。
E. M. The boundary condition consists of convective heat transfer of gas heating, internal cooling, film cooling and impinging cooling.
企业集成:利用网络整合整个企业的业务流程。链接内部和外部系统,包括整个企业和超越企业边界。
Enterprise Integration: Use the Web to integrate business processes across enterprises. Link internal and external systems, both across enterprises and beyond enterprise boundaries.
应用推荐