“无霜期”概念、定义、翻译-科学时代

单词	无霜期
释义	环境科学与工程词汇手册无霜期 duration of frost-free period；frost-free days ［period］
随便看	pair potential pair practice pair production pair production pair production pair production absorption pair production effect pair rule gene pair spectrometer PAIRS（picture and audio information retrieval system） pair test pair trawl pair trawler pairwise additivity pairwise comparison test pairwise disjoint pairwise disjoint pairwise independence pairwise mutually exclusive events pair work paisanite paisley paisley Paisley Underground Paix de Rueil

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。