只有当你的快门速度超过普通同步速度时,相机和闪光灯才会开启高速同步。
Your camera and flash will only use it if you are shooting beyond the normal sync speed.
在阿姆斯特丹的部分地区的交通灯甚至是比照自行车的速度设定的。
Traffic lights in parts of Amsterdam are even synchronized to bike speed.
利用这些信息,“信号专家”就可以计算出一个区域的交通灯时刻表,并为驾驶员建议可供参考的行驶速度,避免在交通路口遭遇红灯。
Using this information, SignalGuru is able to calculate the traffic-light schedule for the region and suggest the speed at which a driver should travel in order to avoid running into red lights.
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