术语 | single precision floating datum |
释义 | single precision floating datum 单精度浮点数 Four contiguous bytes (32 bits)starting on an arbitrary byte boundary. The value of a floating datum is in the approximate range,.29*10**-38 through 1.7*10**38. The precision of a floating datum is approximately one part in 2**23, typically seven decimal digits. 从字节边界开始的4个相继字节(32位)。一个浮点数的数值的大致范围是. 29×10&+{-38}到1.7×10&+{38},其精度约为1/2&+{23},一般为7位十进制数。 |
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