maneuvering light signal

例句：

1. 1. The maneuvering light signal is used to guide ships through busy ports.
   机动光信号用于引导船只通过繁忙的港口。
2. 2. The military uses maneuvering light signals to communicate with their forces in the field.
   军队使用机动光信号与他们在战场上的部队进行通信。
3. 3. The pilot was instructed to use maneuvering light signals to avoid collisions.
   飞行员被指示使用机动光信号来避免碰撞。