“quasi-perfect number”的概念、定义、翻译、参考文献-科学参考

单词	quasi-perfect number
释义	quasi-perfect number [¦kwäz·ē ¦pǝr·fikt `nǝm·bǝr] ^MATHEMATICS An integer that is 1 less than the sum of all its factors other than itself.
随便看	feedback control system feedback factor feedback inhibition feedback loop feedback oscillator feedback regulator feedback transfer function feedback winding feed chute feed-control valve feeder feeder beach feeder-breaker feeder cable feeder canal feeder conveyor feeder current feeder distribution center feeder panel feeder reactor feeder road feeder trough feeder yarn feedforward control feedhead

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