请输入您要查询的字词:
单词
recombination line
释义
recombination line
Encyclopedia
理学
复合线
释
recombination line
复合线
在气体星云和其他一些天体的光谱中出现的氢、氦等元素的容许谱线(见禁线)的发射线。
Astronomy
recombination line
复合线
随便看
underwater sound countermeasure
underwater sound projector
underwater sound propagation
underwater sound recorder
underwater sound transducer
underwater span-connecting tube
underwater sports
underwater structural health monitoring system
underwater surface coating anticorrosion
underwater surveillance
underwater swimming
underwater target detection
underwater topographic survey
underwater towing system
underwater transducer array
underwater tunable filter splitting
underwater vehicle
underwater welding
underwater wireless optical communication
underwear
Underwood-Simmons Act
Underworld
underwriting
underwriting cycle
underwriting of liability insurance
科学参考收录了854744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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/7/9 21:29:19