例如，您可以创建一个复杂的部署拓扑图，在不同的层上管理复杂的关系，或者您可以使用层来显示一种设计方案随着时间的变化。
For instance, you can create a complex deployment topology but manage complex relationships in different layers, or you can use the layers to show how a design might change over time.
其设计方案须征得文化行政管理部门同意后，报城乡规划部门批准。
The design for construction must be agreed to by the department for cultural administration before it is submitted to the department for urban and rural planning for approval.
对高等院校的校园网，给出工程设计方案和管理措施。
Design program and management measures for computer network project in colleges were presented.
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