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”。
Regan speculated that this particular number is troublesome because it is the "largest subnormal double-precision floating-point number."
浮点数和双精度数字的二进制表示。
使用指定样式和文化特性特定格式，将数字的字串表示转换为其对等的双精度浮点数。
Converts the string representation of a number in a specified style and culture-specific format to its double-precision floating-point number equivalent.
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