英语词汇“ramsden circle”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	ramsden circle
释义	Ramsden circle Ramsden circle [′ramz·dən ‚sər·kəl] (optics) A sharp, bright circle of light which appears on a sheet of white paper held near the eyepiece of a telescope focused for infinity and pointed at a bright sky. Also known as Ramsden disk.
随便看	azimuth-delay-power profile azimuth-delay power spectra azimuth determining system azimuth deviation azimuth dial azimuth display unit azimuth-elevation azimuth/elevation azimuth-elevation delay-power spectrum azimuth-elevation-range azimuth encoder assembly azimuth equation azimuth equidistant projection azimuth error azimuth error indicator azimuth error test feature azimuth gain reduction azimuth gating azimuth guidance azimuth guidance for nose-in stand azimuth indicator azimuth indicator assembly azimuthing azimuth instrument azimuth laying set

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Ramsden circle