“西洋梨”概念、定义、翻译-科学时代

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。

单词	西洋梨
释义	林业词汇手册西洋梨 occidental pear
随便看	marginal effect marginal effect marginal effect marginal efficiency marginal efficiency of capital marginal efficiency of capital--marginal efficiency of capital (MEC) marginal efficiency of capital (MEC) marginal efficiency of capital schedule marginal efficiency of investment marginal efficiency of investment schedule marginal elements marginal employment marginal employment coefficient marginal employment subsidy marginal expenditure marginal expenditure curve marginal expenditure curve marginal external benefit marginal external cost marginal-factor cost marginal family marginal firm marginal flower marginal focus marginal frequency