“马歇尔外部性”的概念、定义、翻译、参考文献-科学参考

单词	马歇尔外部性
释义	马歇尔外部性 Encyclopedia 经济学集聚经济释 Marshall externality马歇尔外部性由企业外部的包括市场区位、市场容量、地区分布、相关企业的发展水平、运输通信条件等因素所导致的生产费用的减少和收益递增。又称外部经济。
随便看	short track speed skating short track speed skating field short track speed skating of Winter Special Olympics short track speed skating relay race short trades short transfer capacitance short-tube lycoris short-tube orifice short video short vowel shortwave approximation short wave branch shortwave communication short wave cut-off filter shortwave emergency communications system short-wave fade-out shortwave infrared short wave infrared detection system short-wavelength radiation short wave pass filter short wave propagation short wave radio time service short wave theory short wave transmission system short wave UV reflection photography

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。