GPS signals are relatively weak and easy to jam.

GPS信号相对较弱，也易于阻塞。

youdao

This system is an economic way to solve city traffic jam, and easy to implement.

该系统对于解决城市交通拥挤是一种经济有效的方法，同时易于工程实施。

youdao

This system is an economic way to solve city traffic jam, and easy to implement.

该系统对于解决城市交通拥挤是一种经济有效的方法，同时易于工程实施。

youdao