英语词汇“umbral symbol”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	umbral symbol
释义	umbral symbol noun : a symbol indicating substitution in turn of each of n given values followed by addition of the results obtained < the umbral symbol a in the expression x^ay_a which stands for x¹y₁+x²y₂+…+xⁿy_n >
随便看	land up land urchin landvogt landwaiter landward landward landwards land warrant landwash landway landwehr land wheel landwhin land wind landwire landworker landwrack landwreck land yard lane lane lane cake lanely lane route lane snapper

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。