英语词汇“occulting bar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	occulting bar
释义	occulting bar occulting bar [ə′kəlt·iŋ ‚bär] (astronomy) A bar placed in the focal plane of a telescope eyepiece to cover part of the field of view, usually to cover a bright object in order to permit observation of a nearby faint object.
随便看	ultracentrifuge ultracentrifuged ultracentrifuges ultracentrifuging ultracet ultrachic ultra chip scale package ultracivilized ultraclean ultra-clean high flow ultra-clean processing ultra clean valve ultracold ultracold atom ultracold atoms ultracold molecules ultra cold neutron ultracold neutron ultracommercial ultra compact ultracompact ultra-compact fusion reactor ultracompetent ultra computer unit ultraconservatism

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