这里没有使用的规则，完全由设计师的目的和意图来驱动作出决定，以达到适当的规模和比例以及要素之间的和谐度。
There are no rules for their use. The designer's purpose and intent drives the decisions made to achieve appropriate scale and proportion, as well as the degree of harmony between the elements.
理解业务的能力——理解业务规则背后的驱动力对于能够设计强健的系统非常重要。
Ability to understand the business-understanding the driving force behind business rules is very important to being able to design a robust system.
通过准专家系统链接数据库、工艺库、规则库，实现了网络环境下的参数化驱动设计，并结合CAM模块，一定程度上达到了CIMS。
Through expert system to establish connections among database? Manufacturing database and rule database, reached parameter drive design on network platform, finally, combined with CAM module for CIMS.
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