P1

digraph G {node [shape=box ,style=dashed,color=blue]subgraph cluster_sensors {label="传感器模块"sensors [label="摄像头\n雷达\n车载传感器"]}subgraph cluster_data_processing {label="数据处理模块"data_processing [label="数据预处理\n特征提取\n数据分析"]}subgraph cluster_communication {label="通信模块"communication [label="V2V通信\nV2I通信"]}subgraph cluster_decision_control {label="决策控制模块"decision_control [label="交通流量优化\n信号灯控制\n路径规划"]}subgraph cluster_user_interface {label="用户界面模块"user_interface [label="移动应用程序\n网页界面"]}external_data [label="外部数据源"]traffic_center [label="交通管理中心",shape=circle, style=filled, fillcolor=yellow]external_data -> communication