访问控制模块利用完整性锁结构实现元组级强制访问控制,利用SQL语句分析实现属性级强制访问控制。
The access control module of DSPS enforces tuple level MAC through Integrity lock and enforce attribute level MAC through SQL commands parsing and controlling.
耕地利用完成了耕地价值转换,将耕地投入价值与耕地产出价值比较,便产生了耕地利用效益问题。
The use of arable land to complete the conversion value of the land will be cultivated land into arable land and the output value, we have had effectiveness of the use of arable land.
This is the slide that I left on last time and the idea here was to use plasmids, which I talked about last Thursday, to introduce genes into animals.
这是我上节课没讲完的一张幻灯片,这里的思路是利用,上周四所讲过的质粒,以将基因导入动物体内
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