obscuration

基本解释

In 1994, long poem Obscuration, my whole life's theme(selection) was selected in the Autumn & Winter volume of Modern Chinese.
1994年——長詩《昏暗我一生的主題》（節選）被編入《現代漢詩》1994年鞦、鼕郃卷。
These were previously undetected at visible wavelengths due to obscuration by the thick cloud ('globule body') and by dust surrounding the newly forming stars.
但受其周圍厚厚的雲團（象鼻星雲本身）和原恒星周圍塵埃的影響，這些原恒星以前無法被可見光波長的探測器所發現。
The thesis tries to reveal the clarity and obscuration of lights & shadows in painting works. It ponders the theory of dislocation, and tries to find the metaphysical meanings of lights & shadows.
本文意欲揭示繪畫作品中光影的澄明與遮蔽，切入斷層論的思考，邁入光影形而上意義的返廻步伐。

While always important, the need to communicate the value of Business Aviation is particularly critical now as the budget drama in Washington unfolds in an atmosphere of crisis and political obscuration.
FORBES: Budget Cuts Could Have Dire Consequences For Business Aviation
As public awareness of and concern about shariah intensifies, the Muslim Brotherhood and its friends are employing taqqiya frantically in the hope of maintaining the obscuration so critical to their stealth jihad.
CENTERFORSECURITYPOLICY: The 'end of the beginning' on Shariah?

the act of preventing something from being seen or heard, or something that prevents something else from being seen or heard

遮蔽
The thesis tries to reveal the clarity and obscuration of lights & shadows in painting works. It ponders the theory of dislocation, and tries to find the metaphysical meanings of lights & shadows.
本文意欲揭示繪畫作品中光影的澄明與遮蔽,切入斷層論的思考,邁入光影形而上意義的返廻步伐。
天文學
掩星；食