有关次正规数 (subnormal number) 的详细信息，请参见 《数值计算》；有关此选项和类 似选项的详细信息，请参见 《 Fortran 编程指南》的 “浮点运算”一章。
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Regan speculated that this particular number is troublesome because it is the "largest subnormal double-precision floating-point number."
Regan 推测这个特殊数字的麻烦之处在于它是“最大的次法线双精度浮点数”。
Univariate analysis showed presence and number of MBs, short duration of education, and severe white matter hyperintensities as significantly associated with subnormal scores.
单变量分析发现脑微出血的出现和数量，低教育程度及白质高信号的程度与简易精神状况检查低分值有显著相关性。
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