“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	semilethal gene semilethal mutation semi-linear semilinear semilinear differential equation semilinear endomorphism semilinear isomorphism semilinear mapping semilinear operator semilinear parabolic equation semilinear partial differential equation semilinear substitution semilinear transformation semi-lingual semilingualism semilocal semilocal convergence theorem semi local functionals semi-local functionals semilocal isomorphism semilocally simply connected semilocal module semilocal ring semilogarithmic semilogarithmic diagram

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。