sign of correlation

例句：

1. 1. Theresults of this study have significant correlation with the previous research.
   这项研究的结果是与之前的研究成果有显著的相关性。
2. 2. The relationship between the two variables is highly correlated.
   这两个变量之间的关系高度相关。
3. 3. The correlation between temperature and precipitation is well-known.
   温度和降水之间的相关性是众所周知的。