An Edge is a line segment, and you add Edge objects to a design through the add_line method of the Entities class.
Edge是一条线段，可以通过entities类的add_line方法将Edge对象添加到设计中。
Design of the system included the design of the decision and control segment, the management mode and method of assorting resources and relation data bank and rule collection building.
对此自动拼搭系统进行了方案设计，并对其决策控制环节、现有资源的分类管理模式和方法以及关系数据库和规则集的建立进行了研究。
The monitoring design has been discussed in detail about soft soil embankment ( segment K54+350~K54+560 , Guang -Zhao expressway ) which is treated by jointed vacuum-preloading method .
详细介绍了广肇高速公路K54+350～K54+560段软弱路基的工程地质特征及真空联合堆载预压位移监测布设。
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