Mantissa

[mæn'tɪsə]

解释:

(noun.) the positive fractional part of the representation of a logarithm; in the expression log 643 = 2.808 the mantissa is .808.

录入:里基--From WordNet

解释:

(n.) The decimal part of a logarithm, as distinguished from the integral part, or characteristic.

布兰卡德录入