gravity network

例句：

1. 1. The gravity network is responsible for monitoring the traffic flow in the city.
   重力网络负责监控城市中的交通流量。
2. 2. The gravity network is designed to optimize the distribution of resources.
   重力网络旨在优化资源的分配。
3. 3. The gravity network is crucial for maintaining a stable and efficient transportation system.
   重力网络对于维护稳定且高效的交通运输系统至关重要。