轮船正在下沉，船长向海岸巡逻队发出闪光信号求救。
The captain of the sinking ship used flares to attract the attention of the coastguard.
自愿参加巡逻的人员在过道和窄巷中利用手机屏幕发出的闪光以编码信号的方式进行交流。
Patrol volunteers would communicate down alleyways and narrow lanes via coded signals that they would flash from the lights of their mobile-phone screens.
几乎与此同时，一声枪响，从篱笆那边发出一道闪光，报着信号。
Almost at the same time a pistol-shot, flash and report, came from the hedge-side.
几乎与此同时，一声枪响，从篱笆那边发出一道闪光，报着信号。
Almost at the same time a pistol-shot, flash and report, came from the hedge side.
当后部车辆灯光照射到光控器后能使连接的车灯闪光发出警示信号。
When the light of a back vehicle is irradiated to an optical control device, the vehicle lamps which are connected can send out warning signals.
本实用新型公开了一种数码相机，该数码相机包括一个闪光灯，一个发出表示接近数码相机环境光亮度的信号的环境光传感器，和一个闪光灯控制器。
A digital camera includes a photoflash lamp, an ambient light sensor generating a signal representative of an ambient light level proximate the digital camera, and a photoflash controller.
本实用新型公开了一种数码相机，该数码相机包括一个闪光灯，一个发出表示接近数码相机环境光亮度的信号的环境光传感器，和一个闪光灯控制器。
A digital camera includes a photoflash lamp, an ambient light sensor generating a signal representative of an ambient light level proximate the digital camera, and a photoflash controller.
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