“天生桥”的概念、定义、翻译、参考文献-科学参考

单词	天生桥
释义	天生桥 Encyclopedia 工学风景名胜资源释 natural bridge天生桥地下河与溶洞的顶板崩塌后，由残留部分的两端与地面连接而中间悬空的桥状地形。
随便看	observational network observational predicate calculus observational program observational project observational quantity observational sampling observational selection observation and description on external things observation and imitation of character observation control system observation equation observation error observation function observation likelihoods observation measurements observation method observation network at seabed observation of agrometeorological disasters observation of crop developmental stages observation of crop growth observation of developmental stages of grass observation of developmental stages of trees observation of ground pressure observation of livestock growth and development observation of navigation obstruction

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。