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术语 normalized fraction
释义 normalized fraction
规格化小数;[正常化小数]
The numeric representation patterned for scientific notation, but in which the fraction part of the representation is greater than or equal to 0.5 and less than 1. As a binary form, such a fraction will always begin with 1 in the leftmost (most significant) bit, unless the number is zero. Because of this, the lead 1 is not stored, and a bitpernumber saving is effected in storage.
一种数字表示方法,用于科学记数法中,其中所表示的小数部分大于或等于0.5并小于1。 这样的小数如果写成二进制形式,则最左边一位(即最有效位)始终是1,除非这个数为0。这样, 首位1不必存储,从而实现了每个数节省了一位的存储。
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