3M™ 角度计算 app for iPhone and iPad

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Utilities
Developer: 3M Company

Free

Current version: 1.1, last update: 7 years ago
First release : 05 Apr 2016
App size: 0 Bytes

Angle Calculation is a free APP. It helps traffic engineering professionals calculate observation and entrance angles, two important parameters that can affect retro-reflective material’s night-time brightness and visibility. It also demonstrates the visual effects of different types of reflective material when they are applied on an overhead traffic sign, which represents a typical “large angle” condition.