“history of China’s forestry economics”的概念、定义、翻译、参考文献-科学参考

单词	history of China’s forestry economics
释义	history of China’s forestry economics Encyclopedia 农学林业经济史释 history of China’s forestry economics中国林业经济史中国以往林业经济活动过程的总称，是独立于人的意识之外的客观事件，包括林产品生产流通消费、林业经济管理、林业经济思想的变迁等。
随便看	positive integer positive integral kernel positive interaction between nutrients positive ion positive ion, cation positive ion mode positive kernel positive kurtosis positive leap second positive lens Positive likelihood ratio positive limit point positive limit set positive linear functional positive linear operator positive link positive literal positive logic positive logical calculus positive logical formula positive lossless storage positively definite positively definite form positively definite kernel positively definite matrix

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。