并根据多元形成性评价系统架构，设计了题库和作业库结构，提出了基于六维约束的自动组卷算法。
Having analyzed multiple formative assessment system, exam library design and exercise library design, proposed automotive paper generation algorithm of six-dimensional constraint.
采用多元逐步回归分析得出了影响铅作业工人神经行为测试结果的主要因素，进一步确认血铅影响神经行为的改变。
The result of multiple stepwise regression analysis showed the main factors affecting on neurobehavior of lead-exposed workers and the effect of blood lead on neurobehavior was confirmed also.
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