Road vehicles . installation of lighting and light signalling devices for motor vehicles and their trailers 道路车辆.机动车辆及其挂车的灯光和灯光信号设备
Light signals , however , can travel 150 km without getting weaker , and their signal is clearer too 然而,光信号却可以传输150公里而不减弱,而且光信号也比较清晰。
Vessels can also use light signal to supplement the siren signal . light signals can be repeated if appropriate 船舶可利用灯光信号以补声号之不足,更可在适当时重覆。
Bipolar cells are responsible of transmitting light signals from photoreceptors to ganglion cells in vertebrate retinas 摘要:脊椎动物视网膜的双极细胞主要是将感光细胞的讯息传递至神经节细胞。
Inside and outside power transceiver function is change the light signal to the electrical signal between 10base - tx or 100base - fx . it 光纤收发器是新型内外置电源收发器,其功能是10base - tx或100base - fx
Other vehicles can give signals throughout the manoeuvre because they are using direction indicator signals or stop light signals 其他车辆因为有方向指示灯或停车灯,所以在整个驾驶过程中,随时可以发出信号。
Other vehicles can give signals throughout the manoeuvre because they are using direction indicator signals or stop light signals 其他车辆因为有方向指示灯或停车灯,所以在整个驾驶过程中,随时可以发出信号。
Sets of warning signs and sometimes flashing light signals will give you warning of works on or near the road ahead 在前面的道路或附近,如有工程进行,将会有整套的警告标志,有时甚至会有闪动信号,警告驾驶人。
For the meaning of traffic light signals . image : 78e . gif manually operated stop go signs may be used for control of one - lane - two - way traffic Image : 78e . gif有时候,人手操作的停去字标志,可用以控制单双程的来往车辆。
Of the total number of complaints lodged by users of pedestrian crossings about the rapid change of traffic light signals in the past three years ; and (二)过去三年,投诉行人过路处的交通灯号转变时间过急的个案总数;及