共享内存允许多个进程将它们的部分虚地址映射到一个公用的内存区域。
Shared memory allows multiple processes to map a portion of their virtual address to a common memory region.
为了改善数字地图图幅自动接边算法在处理大区域甚至全球范围的大数据量图幅接边时效率低的问题，提出了基于矢量id映射的“虚拼接”算法。
To improve the efficiency of automatic maps edge matching of massive digital map data of great regions even global ones, virtual stitching algorithm based on vector ID mapping is presented.
图形元素都是连接到酒虚，既解释其区域及其特点。
The graphic elements are all connected to the wine imaginary, both explaining its region and its characteristics.
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