viewing angle

基本解释

The tube-length is inversely proportional to viewing field-angle Galilean non-Pow-er.
伽氏无焦系统的筒长与视场之间存在反比律关系。
The P2210 22-inch display supports resolutions up to 1680 by 1050 pixels, with a variety of viewing-angle adjustments.
P2210是一款22寸显示器，分辨率1680x1050，视角可调，具备VGA/DVI-D/Displayport接口，并提供USB2.0桥接功能。
Both get a wider 178-degree viewing angle from any orientation and are more more likely to show an accurate picture when seen off-center as a result.
另外由于采用了 IPS面板，因此两款产品各方向的可视角度均可达178度，使用者从各个方位观察，都不会出现画面失真的现象。
cnbeta.com

The P7700's 3-inch vari-angle LCD monitor, with a wide-viewing-angle and 921, 000-dot resolution, offers comfortable shooting from any angle, giving the freedom and flexibility needed to capture every spontaneous moment.
ENGADGET: Nikon intros flagship Coolpix P7700 for prosumers, diminutive Coolpix S01 for fashionistas
The Back-Up Camera is both dustproof and waterproof to IP67 standard, and features a wide-angle viewing lens that provides a 120-degree viewing area behind the vehicle.
ENGADGET: Wireless Back-Up Camera for the Magellan RoadMate checks your six
As with the Tablet PC, the display isn't IPS, per se, but it does have some unspecified wide-angle viewing technology.
ENGADGET: Vizio shows off a 10-inch Tegra 4 tablet and a lower-end 7-inch slate

视角
The third part:Researching three-dimensional true-color holograms with large viewing angle by combining computer with optical holography.
第三部分:计算机光学联合制大视角三维物体真彩色全息图的研究。
视场角