“variable operating cost”的概念、定义、翻译、参考文献-科学参考

单词	variable operating cost
释义	variable operating cost 可变营运费
随便看	flying bridge flying buttress flying carrier flying chip flying clock flying control flying control system flying crane helicopter flying cutter flying dial ga(u)ge flying-disk drive flyingdisk printer flyingdrum printer flying dust flying dutchman flying facade flying fatigue flying field Flying Fish flying fish flying Flemish bond flying flock flying gangway flying head flying-head magnetic drum

科学参考收录了1248194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。