“路基本体”的概念、定义、翻译、参考文献-科学参考

单词	路基本体
释义	路基本体 Encyclopedia 工学铁路路基工程释 subgrade ontology路基本体包括用天然土、石所填筑的基床表层、基床底层和基床以下路堤，以及在天然地层中挖出的路堑或经换填基床处理的路堑，直接支撑轨道，承受列车荷载。路基本体根据地质条件和填筑材料的不同，又可分为路堤、路堑、半路堤、半路堑、半堤半堑、不填不挖路基。
随便看	water resources management water resources of China water resources optimal allocation water resources payment water resources planning water resources planning and design water resources protection water resources protection forest water resources scheduling water resources value accounting water resources zoning water resource tax water resource use water-retaining agent water retaining buildings in ancient China water retaining structure water retention of fiber water return gate water-rich silty sand stratum water right water right allocation Water right buy-back water right certificate water right system water right trading system

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。