利用

Through the analyses of carrying capacity of resource, the principle of tidal inlet resource usage is put forward, actuality of usage is estimated, the obstacle diagnostic method of sustainable usage is brought forward, the approach of how to sustainable use resource is discussed.

通过资源承载力的分析，提出利用潮汐汊道资源的原则、利用现状评价和可持续利用障碍诊断的方法，以及提高资源可持续利用水平的途径。

Using 3DES algorithm to replace DES algorithm could do less change for the original system, which not only improves the security of the system, and also can use existing resources to be reused to improve the efficient use of resources.

利用3DES算法来替换DES算法无需对原系统做太大改动，这样既可提高系统的安全性，又可利用原有的资源进行更新再利用，进而提高资源的利用效率。

On the basis of the current situation map, the process of the land use development and the situation of all the categories of the land use transformation are quantitatively analyzed with the technique of GIS.

以广州市海珠区土地利用现状图为数据源，利用GIS技术定量分析了土地利用动态变化过程以及土地利用各类型之间的相互转化情况。