“extended source”的概念、定义、翻译、参考文献-科学参考

单词	extended source
释义	extended source [ik`stend·ǝd `sȯrs] ^ASTRONOMY A radio source that has a large angular extent and is strongest at longer wavelengths, as distinguished from a compact source. ^OPTICS A source of radiation that can be resolved by the eye or a specified instrument into a geometrical image.
随便看	piedmont angle piedmont bench piedmont benchland piedmont bulb piedmont flat piedmont glacier piedmont gravel piedmont ice piedmont interstream flat piedmontite piedmont lake piedmont plain piedmont plateau piedmont scarp piedmont slope piedmont stairway piedmont step piedmont treppe pi electron piemontite pier piercement piercement dome Pierce oscillator Pierce's disease

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