正相關;
例句:
1.
He cited academic work showing the lack of positive correlation between gdp growth and stock market returns.
他援引學術研究成果證明，gdp增長和股市回報率之間不存在正相關關系。
2.
The researchers also found a positive correlation between the strength of the coupling and how well the subjects could recall the details of the story.
研究者還發現在神經耦合強度與被試能夠多大程度上回憶起故事細節之間存在壹種正相關。
3.
Grain protein content and other 14 quality target was positive correlation.
子粒蛋白質含量與其它14項品質指標呈正相關。