The electromagnetic circumstances of local war on the sea under modern high-tech conditions are extremely complex, and the communication network system of naval fleet is being seriously threatened.

现代高技术海上局部战争的电磁环境极其恶劣，海上编队通信网络系统受到空前威胁。

youdao

For all its high-tech local networks, the firm faces a fierce battle against the entrenched Baby Bells, which are preparing for a price war.

ECONOMIST: WorldCom tucks in��again