The operating system maintains a table of virtual address-to-physical address translations so that the computer hardware can respond properly to address requests.
操作系统维持着一个虚拟地址到物理地址的转换的表，以便计算机硬件可以正确地响应地址请求。
Six years ago they began to develop the technology for their E-Table system that allows customers to order food, drinks and the bill from a virtual menu projected on to the table.
六年前，他们开始研发电子餐桌系统的技术，这一系统能够使顾客通过投射在餐桌上的虚拟菜单来点选食物、饮料以及结账。
This is because Oracle uses a lot of virtual memory, particularly with respect to its System Global Area (SGA), which is used to cache table data, among other things.
这是因为 Oracle 使用大量的虚拟内存，特别是对于其系统全局区域（SGA），这个区域用于缓存表数据和其他东西。
应用推荐