所表现出的最终数值舍入到小数三位。
The final numerical values, as displayed, were rounded off to three decimal places.
精度可以提高通过舍入而不是删除从真正的定点时，或允许更多的位小数部分。
The accuracy can be improved by rounding instead of truncating when converting from real to fixed-point, or by allowing more bits for the fractional part.
在许多情况下，舍入误差是可以控制的，即使在很复杂的计算，使得上部6 - 8位小数是正确的。
In many cases, the round-off error can be managed, even over really complex computations, such that the top 6-8 decimal places are correct.
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