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

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	utrecht, treaty of utrecht, union of utregse frisbee organisation utrera ut res magis valeat quam pereat utrf utrfog utrgv utricide utricle utricle (fruit) utricle of urethra utricle of vestibular labyrinth utricle of vestibule utricles utricular utricular cyst utricular duct utricularia utricular nerve utricular recess utricular recess of bony labyrinth utricular recess of membranous labyrinth utricular reflexes utricular spot

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Ramsden circle