The implement of service project needs specific facilities and operation system.
服务项目实施需要特定的设施和作业系统。
However, not all of the roads these specific facilities, bicycle accidents still occur.
但是,并非所有的道路有这些具体的设施,让自行车事故仍然发生。
It describes generic procedures, network specific facilities and end-to-end signalling methods.
它描述了通用程序、网络特定的性能和端到端的信令方法。
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