这激起了一场争论，到底这种现象是误差，或是自然选择偏爱的结果(至少当它在群体中只占有稀少比例时)。
That has provoked a debate about whether the phenomenon is an aberration, or whether natural selection favours it, at least when it is rare in a population.
在选择数据的访问路径时，如果没有正确的列分布统计数据，DB 2可能没有足够的信息来做出最佳的选择，尤其是如果数据出现严重误差。
Without correct column distribution statistics, DB2 may not have enough information to make the best choice when choosing an access path to the data-especially if data is heavily skewed.
指示剂选择不适当可能给音量分析带来重大误差。
Improper choice of indicators can introduce serious errors into volumetric work .
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