英语词汇“dummy variable”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	dummy variable
释义	dummy variable noun : an arbitrary mathematical symbol or variable that can be replaced by another without affecting the value of the expression in which it occurs — compare umbral symbol
随便看	compound engine compounder compound ether compound eye compound fold compound fraction compound fracture compound henna compound householder compound infusion of senna compounding compound interest compound-interest method compound interval compound jellyfish compound leaf compound lens compound lever compound locomotive compound magnet compound microscope compound middle lamella compound nucleus compound number compound ovary

英语词典包含332784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。