The idler light is then made to beat with the pump light, the latter is converted into additional amounts of idler and signal light . 無效光與抽運(yùn)光成拍,抽運(yùn)光又轉(zhuǎn)換成更大量的無效光和信號(hào)光。
Technical requirements for marine electric signal lights 船用電氣號(hào)燈技術(shù)條件
Technical specification for railway hand signal light 鐵路手信號(hào)燈技術(shù)條件
Colours and colour limits for signal lights ; general rules 信號(hào)燈顏色和顏色極限.一般規(guī)則
A red signal light zoomed to the sky 一枚紅色信號(hào)騰空升起。