tactical frequency

例句：

1. 1. The military usestactical frequencies to communicate with theirunits.
   军队使用战术频率与他们的单位进行通信。
2. 2. In the battlefield, theuse of tactical frequencies is crucialfor communication.
   在战场上，战术频率的使用对于通信至关重要。
3. 3. The tactical frequencieswere adjusted to optimize the team'sperformance.
   战术频率被调整以优化团队的表现。