“干空”概念、定义、翻译-科学时代

单词	干空
释义	林业词汇手册干空 centre hole
随便看	niche market niche market niche market niche market niche market niche market niche marketing niche marketing niche marketing strategy niche market strategy niche-market strategy niche media niche overlap niche penetration strategy niche product niche separation niche shift niche shift niche space niche trading niche variation hypothesis niche width Nichiren Nicholas Nicholas

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。