文章采用多元统计分析中的因子分析方法，依托SAS统计分析软件，以2002年数据为截面，对上海市工业行业的基本特征进行了分析。

The paper USES SAS software to analyze the basic characteristics of industrial structure of Shanghai industries in 2002 with the factor analysis method by making use of the data in 2002.

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多变量分析法运用r型因子分析来判断品种生态型的基本特征和可变特征。

Multivariate analysis is to use R-typer factor to judge the basic characters and variable natures of ecotypes of wheat varieties.

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