“Mach hold”概念、定义、翻译-科学时代

单词	Mach hold
释义	航空航天词汇手册 Mach hold 马赫数保持
随便看	scholiast scholium Schonberg-Chandrasekhar limit school school school school accreditation school act school administration school admission age school age school age school-age child school-age child school-age population school-age population school attendance school attendance rate school-based curriculum development school-based examination school-bus service school cadre school cafeteria school calendar school cap

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。

Mach hold