“Ramsden circle”的概念、定义、翻译、参考文献-科学参考

单词	Ramsden circle
释义	Ramsden circle [`ramz·dǝn ´sǝr·kǝl] ^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	instruction address register instruction area instruction card instruction code instruction constant instruction counter instruction cycle instruction deck instruction format instruction length instruction lookahead instruction mix instruction modification instruction pointer instruction register instruction repertory instruction set instruction time instruction transfer instruction word instrument instrumental analysis instrumental conditioning instrument approach chart instrument approach procedure

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