“急折点”概念、定义、翻译-科学时代

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。

单词	急折点
释义	地质学词汇手册急折点 knickpoint
随便看	air-to-air heat pump air-to-air heat pump air-to-air missile air-to-air rocket air-to-close air-to-cloth ratio air-to-ground missile air tolerance test air-to-oil cooler air-to-open air-to-rock solar heating system air torpedo air-to-surface air-to-underwater air-to-vessel air-to-water heat pump air traffic air traffic control air traffic control air traffic control--air traffic control（ATC） air traffic control（ATC） air traffic management air traffic management--air traffic management（ATM） air traffic management（ATM） air traffic service