Difference between the two groups has statistical significance.
两组比较差异有统计学意义。
The difference of economic status structure has statistical significance.
四县之间的差异有统计学意义。
The results were almost the same in the four counties. The gender structure difference has no statistical significance.
四个调查县情况基本与此都一致，性别构成差别没有统计学意义。
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