Chapter four: Factor analyses on employment problem of villages in cities.
第四章：城中村就业困境的因素分析。
The four-factor classifying method would play a guiding role in the re-search on database machines.
四要素分类法对数据库机研究将起到指导作用。
The four-factor formula obtained in the static reactor physics is given for critical calculation.
给出了临界计算所要求的，得自静态反应堆物理的四因子公式。
A four-factor homogeneous experiment was designed with fixed ratio of sodium periodate to starch at 1.1:1.
根据单因素实验结果，固定高碘酸钠与淀粉的摩尔比确定为1.1∶1不变，对其余的四因素进行均匀优化实验。
A four-factor homogeneous experiment was designed with fixed ratio of sodium periodate to starch at 1.1:1.
根据单因素实验结果，固定高碘酸钠与淀粉的摩尔比确定为1.1∶1不变，对其余的四因素进行均匀优化实验。
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