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	istet istf istfa istft istg isth isth. istha is thankful for small blessings is thankful for small favors is thankful for small favours is thankful for small mercies is that a fact is that a fact? is that a gun in your pocket, or are you just happy to see me? is that a threat or a promise is that a threat or a promise? is that everything? is that right is that right? is that so is that so? is that what you mean? is the absolute limit is the armpit of the world

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

Ramsden circle