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	didactical didactically didactic analysis didacticism didactive didactyl didactyla didactyle didactylism didactylous didanosine didapper didascalic didascaly didder diddle diddle diddle away diddle-daddle diddle-dee diddledees diddler diddly diddly diddly-squat

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