1.
beacon trigger generator
信标触发信号发生器
2.
They will fire off a signal flare.
他们将发射一发信号弹。
3.
a foghorn that makes a two-tone signal.
发出两种信号的雾号。
4.
Sound the retreat, eg by blowing a bugle
发撤退信号（如吹撤退号）
5.
send signal element timing circuit
发信信号单元定时电路
6.
multipurpose communications and signaling
多用途通信与信号发送
7.
data information signal generator
数据信息信号发生器
8.
sound a note of alarm/danger/warning
发出警报[危险信号/警告信号]
9.
a colored flare fired from a Very pistol.
维利式信号枪发射的彩色信号弹。
10.
The indication given by a singal is known as the signal aspect.
信号所发出的灯色，称为信号方式。
11.
high-frequency transistorized signal generator
晶体管高频信号发生器
12.
photoaudio generator
低频光电信号发生器
13.
standard high frequency signal generator
标准高频信号发生器
14.
Bees dance their signals,
蜜蜂舞动是发出信号，
15.
HF transistorized signal generator
晶体管高频信号发声器
16.
a signal generated by electronic means.
电子手段发出的信号。
17.
distress-calling auto-sender
遇难信号自动发送器
18.
very high frequency power signal generator
甚高频功率信号发生器