“target of opportunity”的概念、定义、翻译、参考文献-科学参考

单词	target of opportunity
释义	target of opportunity [`tär·gǝt ǝv ´äp·ǝr`tü·nǝd·ē] ^ORDNANCE 1. A target visible to a surface or air sensor or observer, which is within range of available weapons and against which fire has not been scheduled or requested. 2. A nuclear target observed or detected after an operation begins that has not been previously considered, analyzed, or planned for a nuclear strike.
随便看	auroral auroral absorption event auroral caps auroral electrojet auroral forms auroral frequency auroral isochasm auroral line auroral oval auroral poles auroral propagation auroral region auroral storm auroral substorm auroral zone auroral zone blackout aurora polaris aurosmiridium aurothioglucose auscultation ausforging ausforming ausrolling austausch coefficient austempering

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