英语词汇“pnr”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	pnr
释义	pnr abbr.point of no return 不可返回点（不能用自带燃料返回基地的航线临界点），安全返航点; prior notice required 需要预先通知
随便看	optical melting point optical memories optical memory optical memory card optical memory circuit optical memory crystal optical memory element optical memory glass semiconductor optical memory matrice optical memory system optical meteor optical method optical, method optical method measuring unit for eyeball movement optical methods (of analysis) optical metrological instrument optical metrology optical mice optical microanaluser optical microdensitometer optical micrometer optical micrometer theodolite optical microscope optical microscopes optical microscopic structure inspection

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