And the state-of -the-art electronic sound and lighting systems has been installed.

而且还装上了最先进的电子音响和照明设施。

Workers are putting in a new lighting system and creating a new visitor center.

工人们正在安装新的照明系统，并创建一个新的游客中心。

With this new color lighting system, carriage drivers and pedestrians could better see the traffic flow.

有了这一个交通信号灯系统，马车司机和行人都能更清楚的看见车流。

A man by the name of John Peek Knight devised a manual gas-powered color lighting system to help regulate horse-drawn traffic.

一个名叫约翰·皮克·奈特的人设计了手动煤气红绿灯，来控制马车行驶的车道。

This is only a little higher than the usual price, since the building does not need extended lighting systems or walkways for humans to use.

造价仅比普通车库略高，因为车库的楼梯不需要拓展式的照明系统和人行通道。

On the simpler end of the spectrum, we find smart lighting systems that adjust brightness based on the time of day, or smart thermostats that optimize temperature according to occupants' habits and preferences.

在更简单的一端，我们发现智能照明系统可以根据一天中的时间调节亮度，或者智能恒温器可以根据居住者的习惯和喜好优化温度。