a close observer; someone who looks at something (such as an exhibition of some kind);
"the spectators applauded the performance"
"sky watchers discovered a new star"
an optical device for viewing photographic transparencies
Make sure that each viewer has a clear site line to the display. 确保每一位观看者到显示器有一个清晰的视线。
A larger crystal ball will also give a larger area in which the viewer can observe whatever they need to see. 大的水晶球会提供观看者想看到的地方的大面积范围。
The television viewer takes no initiative. 电视观众没有施展主动性。
Of course, being a selective viewer isn't bad. 当然，被选中做了电视观众也并不意味着是件坏事。
The viewer cannot complete this procedure. 观察器不能完成该过程。
DARPA is developing several viewer options for the computers, including a set of eyeglasses with embedded display in the frame being built by the Micro Optical Corporation. 国防高级研究计划局正在研制与这些计算机配套的几种观察器，包括正由微光学公司制造的在镜框中嵌入显示器的眼镜。