“地球有效半径”的概念、定义、翻译、参考文献-科学参考

单词	地球有效半径
释义	地球有效半径 effective radius of the earth
随便看	surveying instrument surveying line surveying peg surveyingpin surveying plane table surveying record surveying rod surveying sextant surveying stake surveying vessel survey map survey mark survey marker survey meter survey method survey monument survey network Survey of Current Business (美国) survey of dam breach flood survey of maize-growing soils survey on people's living-conditions surveyor surveyor of customs surveyor of the technical inspection Surveyor program

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。