内存刷新
- 网络Memory Refresh
内存刷新-
实验表明查询的响应时间平均减少30%以上，基本满足查询响应时间的要求；同时缓存需要占用一定的内存，缓存刷新会使CPU使用率上升。
Experimental results show the average query response time will reduce 30 % or more , basically meet the requirements of query response time . At the same time , caching will occupy some memory space , and cache refreshing will make CPU use ratio increase .
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其主要内容有：1.直接在内存、图象刷新存贮器、磁盘和打印机之间传送图形信息的方法和原理；
The present paper includes : 1 . The principle of graphic transfer directly between memory , disk , graphic memory and printer ;