为了满足日益增长的数据容量和更快的存取速度，需更新存储技术。
In order to meet the growing data capacity and faster access speed, newer storage technology is needed.
采用矢量与栅格结合的技术进行更新，简化了矢量多边形叠交运算，实现了图斑内部的局部矢量化，提高了处理速度。
And the integrating raster with vector technology predigests the polygon overlaying operation, realizes inner span part vectorizing and speed up the process.
并且COTS组件产品始终处于一个完善和技术更新的循环过程中，产品的发布和版本更新的速度和频率非常快。
COTS component products undergo a technology refresh and renewal cycle. New versions or releases of COTS component products are brought to the market frequently.
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