“principal scale”概念、定义、翻译-科学时代

单词	principal scale
释义	测绘学词汇手册 principal scale 主比例尺
随便看	striding level striga strigil Strijdom，Johannes Gerhardus strike strike strike strike strike strike strike strike strike strike strike strike strike strike strike a balance strike ballot strike board strike board strike breakthrough strike camp strike delay insurance

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。