| 单词 | certificate of necessity | 
| 释义 | certificate of necessity  : a document issued by a certifying government agency under authority of which the internal revenue service allows deductions from taxable income for accelerated amortization of all or a part of the cost of emergency facilities   | 
| 随便看 | 
英语词典包含469781条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。