“longevity level”的概念、定义、翻译、参考文献-科学参考

单词	longevity level
释义	longevity level Encyclopedia 医学老年流行病学释 longevity level长寿水平 80岁以上人口占60岁以上人口总数的百分比。
随便看	drill-in fluid drilling drilling accident drilling accident handling drilling and blasting method drilling and blasting method of rock engineering drilling and block drilling application drilling assembly drilling auxiliary appliance drilling benefit index drilling blowout drilling blowout rescue technology drilling chemical drilling complicacy drilling core drilling core gamma-ray documentation drilling coring drilling coring logging technology drilling efficiency index drilling engineering drilling engineering design drilling engineering economic evaluation drilling engineering economic evaluation indicators drilling engineering logging technology

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。