求翻译：第二阶段：结合基础资料收集，对资料进行汇总与分析，根据实际情况开展必要的补充典型调查，对已收集的相关基础数据的代表性和合理性进行检验和复核。是什么意思？

The second stage: the combination of the basis of data collection, data aggregation and analysis, according to the actual situation to carry out the necessary complement to typical survey, inspection and review related to the underlying data have been collected on behalf of rationality.

Stage 2: A combination of the information infrastructure for data collection, summary and analysis, carrying out the necessary according to the actual situation of the representative survey has been collected about the underlying data representation and legitimacy for inspection and review.

Second stage: The union basic data collection, carries on to the material compiles with analyzes, according to the actual situation development essential supplement typical survey, to already the related foundation data representation and the rationality which collects carries on examines and reexam

Second stage: the combination of basic data collection, summary and analysis of information, according to the actual situation of carrying out the necessary supplementary typical investigation, collected basic data representation and rationality of inspection and review.