“natural radiation source”的概念、定义、翻译、参考文献-科学参考

单词	natural radiation source
释义	natural radiation source Encyclopedia 工学红外辐射源释 natural radiation source自然辐射源自然辐射源泛指自然形成的辐射源，包括地物、大气以及地球外物质等，其中地物是地球表面所有自然资源、自然材料以及人工建造物的总称。
随便看	unit-distance graph unit distribution unit divisor unit doublet unit dyad united UnitedAfricanNational Congress United Aircraft Corporation Corporation United Arab Emirates' Drama United Arab Republic United Arab Shipping Company united archives room United Artists United Artists Corp. united atom force fields united-atom force fields united atom limit united-atom limit United Australia Party United Bahamian Party United Bible Society United Chinese School Committees'Association of Malaysia United Chinese School Teachers'Association of Malaysia United Church of Christ United Collabarative Digital Reference Services

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