To prevent that event from becoming a catastrophe, first responders will join members of the public in rehearsals that involve communication, evacuation, search and rescue, and other scenarios.

为了防止灾难的发生，急救人员将和公众一起演练，包括通讯、疏散、搜救和其他场景。

youdao

youdao

In addition the communication technology between members is highly efficient.

此外，成员之间的通信技术是非常高效的。

youdao

U.S. and Libyan officials said some of the group's members were in communication with al Qaeda ahead of the battle.

WSJ: Libyan Army Clamps Down on Militias

Hundreds of postal workers and members of the Communication Workers' Union attended a rally at Methodist Central Hall in Westminster.

BBC: Row grows over Royal Mail plans

The 4, 000 post office workers, members of the Communication Workers Union, are angry that they have not had a pay rise for nearly two years.

BBC: Post office counter staff vote to strike