装设了这些号志灯前，有几件事故就是智慧型手机使用者所引起。
The lights were installed after several accidents were caused by smartphone users.
之后，再进行号志灯规范的验证，以确认此非对称式LED的实用性。
Later, carry on the normal verification of traffic signal specification, in order to confirm the practicability of this asymmetry type LED.
本文主要是针对应用于号志灯之非对称式LED之设计与验证做一系列的探讨。
This text is mainly the goal to do a series of discussions to the design and verification of asymmetry type LED that is applied to the traffic signal.
一般红绿灯是安置在人们视线高度的地方，但是都市规划者注意到人们常低头使用智慧型手机，因此将号志灯装设在地面上更为安全。
Although the lights are usually mounted at eye level, city planners noticed that people were using smartphones so much that it would be safer to install them in the ground.
一般红绿灯是安置在人们视线高度的地方，但是都市规划者注意到人们常低头使用智慧型手机，因此将号志灯装设在地面上更为安全。
Although the lights are usually mounted at eye level, city planners noticed that people were using smartphones so much that it would be safer to install them in the ground.
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