“旅游安全”的概念、定义、翻译、参考文献-科学参考

单词	旅游安全
释义	旅游安全 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	concave surface concave-up concave-up curve concave upward concavity concavity coefficient concavity cut concavity cutting-plane method concavity downward concavo-concave concavo-convex concavo-convex lens concavo-plane conceal concealed beam concealed motion concealing a candidate's name concealment method Concentraion on Doubtful Matters While Persuing the Laws concentrate concentrated concentrated area with special difficulties concentrated bait concentrated charging concentrated constant circuit

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。