“户外休闲运动”的概念、定义、翻译、参考文献-科学参考

单词	户外休闲运动
释义	户外休闲运动 Encyclopedia 教育学时尚体育释 outdoor recreational sports户外休闲运动在自然或半自然环境里，以休闲、发展自我和回归自然为目的进行的集冒险、刺激、挑战、娱乐、养生于一体的体育活动。
随便看	countable model countable ordinal number countable potency countable product countable semiadditivity countable set countable simplicial complex countable space countable subadditivity countable subset countable sum axiom countable superadditivity countable support iterated forcing countable system countable transitive model countable union countable-valued logic countable weight countably additive countably additive algebra countably additive class countably additive family countably additive function countably additive measure countably compact

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。