的意思 characteristic signal

1. The characteristic signal of a wolf is its haunting howl.
狼的特征信号是其令人不安的嚎叫声。

2. The characteristic signal of a fire alarm is a loud, piercing sound.
火警报警器的特征信号是一种响亮尖锐的声音。

3. The characteristic signal of a malfunctioning engine is a sputtering noise.
发动机出故障的特征信号是发出咯咯声。

4. The characteristic signal of a submarine is its sonar ping.
潜艇的特征信号是其声纳回波。

5. The characteristic signal of a satellite is its transmission frequency.
卫星的特征信号是其传输频率。

6. The characteristic signal of a radio station is its unique broadcast pattern.
广播电台的特征信号是其独特的播音模式。