The VRP is classified as an NP-hard problem. Hence exact optimization methods may be difficult to solve these problems in acceptable CPU times, when the problem
为了最大限度地共享和利用油藏评价信息,提出了基于W eb G IS平台构建油藏评价管理信息系统的解决方案。该方案采用M APG IS-IM S作为W eb G IS平台,W eb用户通过浏览器就能完成对油藏评价中空间数据的查询和浏览,借助图形库子系统的导航功能可以便捷地访问与空间对象相关的所有属性数据和信息。给出了空间数据采集和属性数据组织的方法,阐述了系统的具体设计方法和实现技术方案,并详细介绍
Several algorithms based on homogeneous polynomials for multiplication of large integers are described in the paper. The homogeneity of polynomials provides sev
In order to satisfy the spectrum requirements of the future international mobile telecommunication (IMT) systems, to realize scientific allocation and usage of