“pear industry”的概念、定义、翻译、参考文献-科学参考

单词	pear industry
释义	pear industry Encyclopedia 管理学果品经济释 pear industry梨产业围绕梨产品或梨作物而进行的生产、加工、销售、贸易、消费等产前、产中及产后三个领域各部门所形成的经济集合体。
随便看	covering polyhedron covering problem covering projection covering property covering radius covering Riemann surface covering set covering sheet covering space covering structure covering surface covering system of congruences covering theorem covering transformation covering transformation group cover of a graph cover or glue sand fixation cover plant cover relation coversed sine coversed-sine function coversine coversine function coverslip covert channel

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。