在商品经济高度发达的今天，包装设计已经深入影响了人们的生活。

With the highly-developed commodity economy, peoples life is greatly involved in package designing.

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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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有披露了用于安装设备三脚架云台举行(如照明设备)为支持基地的抑郁或高度可调角度。

There is disclosed a tripod head for mounting a device to be held (such as an illumination device) to a support base at an adjustable Angle of depression or elevation.

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