And the frequency grade and rainfall of rainstorm have a positive correlation.

暴雨频次、等级、雨量的基本特征具有正相关关系；

youdao

The results did not find a positive correlation but there are other supplements that are important.

结果没有发现正相关，但还有其他的补充，都是很重要的。

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Conclusion: There was a positive correlation between their satisfaction with life and their mental health conditions.

结论：春节返乡农民工的心理健康状况与生活满意感存在正相关关系。

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On the other hand, Holmes sees a positive correlation between oil prices and gold prices.

FORBES: Each $100 Billion QE2 Good for 5% Rise Commodities

But Statistics for Education found a positive correlation of 0.12 between books and good results.

BBC: Books 'best for tests'

As for bonds, gold has acted neither as a hedge nor as a safe haven, generally displaying a positive correlation.

ECONOMIST: Gold is a useful hedge��but only for a fortnight