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1·It provides a sort of design means with high efficiency and facility for a deviser.

为机构设计者提供一种高效、简易的设计手段。

2·So the deviser can modify the link relation to save time to search the target page.

网站设计者可根据该列表，修改网页之间的链接关系，达到减少对目标网页搜索时间的目的。

3·The system consists of 6 grade I indexes and 20 grade II indexes as policy management, surroundings risk, owner risk, deviser risk, supervisor risk and contractor risk.

该体系由政策风险、环境风险、业主风险、设计者风险、监理者风险、承包商风险等6个一级指标及其20个二级指标组成；

4·After validating a lot of the experimental data, the system provide the optimize adding direction to the user through the experienced formula in order to achieve the original intention of the deviser.

在验证了大量实验数据之后，系统通过神经网络给出的经验公式优化了药剂投加配方并提供给用户，最终达到设计者的初衷。