等HADOOP2.0的稳定版本出来之后就上马# Java - 爪哇娇娃
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Stratified sampling works well for populations with a variety of attributes,
but is otherwise ineffective, as subgroups cannot be formed.
这里最后一句的as怎么翻译
but is otherwise ineffective, as subgroups cannot be formed.
这里最后一句的as怎么翻译