“比例”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	比例
释义	教育学词汇手册比例 proportion
随便看	field difference field discontinuity field-displacement isolator field distortion field distribution field distribution field disturbance sensor field ditch efficiency field drainage field drainage system field drill field driver pulse field driver signal field drying field duration field effect field effect field effect controlled switch field-effect device（FED） field effect diode field effect super-conductive transistor field effect transistor field effect transistor field effect transistor (FET) field-effect transistor（FET）