遮蔽物 的中文句子和英文句子

星座一览图天体球的一半或多半在平面图上的极投影图，这种图具有可调节的遮蔽物以显示在给定时刻和位置可见的恒星

A polar projection of half or more of the celestial sphere on a chart equipped with an adjustable overlay to show the stars visible at a particular time and place.


幕布在剧院或大厅内隔开舞台和观众或作为背景幕的可移动遮蔽物或帷幕

The movable screen or drape in a theater or hall that separates the stage from the auditorium or that serves as a backdrop.