“tourism safety and security”的概念、定义、翻译、参考文献-科学参考

单词	tourism safety and security
释义	tourism safety and security Encyclopedia 理学旅游安全释 tourism safety and security旅游安全旅游系统（包括特定的社会行为主体或特定的旅游事物）可以容忍的风险程度。
随便看	pale-shouldered horned toad Palestine Areas Palestine People’s Uprising Palestinian Broadcasting Corporation Palestinian drama Palestinians pale tongue Paley Paley class Paley construction Paley graph Paley inequality Paley theorem Paley-Wiener theorem p-algebra Palikir Pali language Pali literature in India palindrome palindrome structure palindromic number palindromic number conjecture palindromic prime palindromic verse palingenesis

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