a correlation in which large values of one variable are associated with large values of the other and small with small; the correlation coefficient is between 0 and +1
He discovered directcorrelations between a country's incidence of heart disease, the level of cholesterol in the blood and the amount of animal fat in the national diet.
他发现，一个国家心脏病发病率与血液里胆固醇含量，以及饮食习惯里动物脂肪的含量直接相关。
2
The contents of clay, silt and nutrient of sediment decreased approximately with time change, and the directcorrelations were close among the contents of clay and silt and the contents of nutrient.
Though little evidence of any direct effect was found, the frequent negative correlations between IT and performance suggested that IT had probably weakened some firms' competitive positions.
虽然没有发现任何直接影响的证据，但 IT 与业绩之间频繁的负相关关系表明，IT 可能削弱了一些公司的竞争地位。