“正锤线观测”概念、定义、翻译-科学时代

单词	正锤线观测
释义	测绘学词汇手册正锤线观测 direct plummet observation
随便看	retrospect retrospection retrospection retrospective bibliographic database retrospective bibliography retrospective bonus plan retrospective cohort study retrospective conversion retrospective data retrospective database retrospective effect retrospective entry retrospective information search retrospective premium arrangement retrospective rating retrospective research retrospective reserve retrospective search retrospective search retrospective search system retrospective structure retrospective study retrospective survey retrospective survey retrospective syllabus

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。