“maar”的概念、定义、翻译、参考文献-科学参考

单词	maar
释义	maar [mär] ^GEOLOGY A volcanic crater that was created by violent explosion but not accompanied by igneous extrusion; frequently, it is filled by a small circular lake.
随便看	UTC uterus uterus bicornis utilidor utility utility routine utilization factor utilization rate utilization ratio utricle utriculus U-tube heat exchanger U-tube manometer UV uvala U valley U-value uvanite uvarovite uvby system UV Ceti stars uvea uveitis UV EPROM uviol glass

科学参考收录了103327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。