“指向射线”的概念、定义、翻译、参考文献-科学参考

单词	指向射线
释义	指向射线 directed ray
随便看	water retaining structure water-retaining wall water retarding area water retention water retention agent water retention value water-retentive cement water retentiveness water reticulation system water retting water return valve water reuse water reuse (treatment; refreshing) water rheostat water-rib tile water rights water ring water ring air pump water ring pump water robin water roll water root water rot water route water rudder (水上飞机的)

科学参考收录了1248194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。