round-off error [数] 舍入误差 ; 舍去误差 ; [分化] 修约误差 ; 化整误差
accumulated round off error 累积舍入误差
round-off error bound [数] 舍入误差边界
local round-off error 局部舍入误差
However, for negative values of x, roughly -4 and lower, the algorithm used to calculate Math.exp is relatively ill-behaved and subject to round-off error.
不过，对于负值的x，一般是- 4以下的数字，用于计算Math . exp的算法表现很差，并且容易出现舍入错误。
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.
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。
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