光投射 meaning in Chinese

proj light projection

The technicians shaded the light in
技师逐步把光投射进来。
Sometimes i also place this kind of direct light to cast the shadow onto the ceiling or even on the wall
有时我还会把这种平行光投射到天花板甚至墙面。
The change of light projection also reveals that there were visual field defects after retrobulbar anesthesia
另外从光投射的变化，证实有视野缺陷产生。
No more can i look into the depths of this unfathomable water , wherein as momentary lights glanced into it , i have had glimpses of buried treasure and other things submerged
我再也无法窥测这渊深莫测的水域的奥秘了。我曾趁短暂的光投射到水上时瞥见过埋藏在水下的珍宝和其它东西。