This paper presents two kinds of new methods for setting out circular curve: free angle and tangent length method.

介绍了测设和检验圆曲线的两种新方法：任意角夹角法和任意切线长支距法。

youdao

With a free viewing angle and super fast response, the Samsung Wave display provides superb image quality for viewing both videos and photos.

ENGADGET: Samsung Wave: 3.3-inch Super AMOLED, Bluetooth 3.0, and new Bada OS (updated)

The LUMIX GH2 combines the easy-to-see free-angle Intelligent LCD with the newly developed Multi Aspect Wide Screen LVF (Live View Finder) for more comfortable shooting from any angle.

ENGADGET: Panasonic's $900 Lumix GH2 officially debuts: 16MP, 1080p movie mode, 3D interchangeable lens

With a choice of using either the Electronic Viewfinder (EVF) with eye sensor, or the high resolution, 3.0-inch free-angle LCD to compose your shots and movies, you can capture the moment as the situation demands.

ENGADGET: Panasonic's Lumix lineup grows: DMC-G5 Micro Four Thirds, DMC-FZ200 superzoom and DMC-LX7 hands-on and sample shots