“road in permafrost region”的概念、定义、翻译、参考文献-科学参考

单词	road in permafrost region
释义	road in permafrost region Encyclopedia 工学〔特殊地区筑路〕释 road in permafrost region多年冻土地区道路在土温低于摄氏零度和具有地下冰的条件下，地下形成一层能持续多年保持冻结状态的土称多年冻土。
随便看	social safety valve social sanction social scale social schema Social Science Citation Index social science information resources Social Sciences Academic Press (China) social search Social Security Act Social Security Act Amendments Social Security Act of the United States Social Security Code of Germany social security evaluation social security for the elderly social security fund budget Social security management project social security method Social Security Number social security right social security services social security statistics social security system social segregation social self social sensing

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。