基本解释密布英汉例句双语例句The fruit yield of sweet orange was found to be highly significantly correlated with planting density, canopy cover rate, leaf area index and light intensity in densely planted orchards.柑桔栽植密度、树冠覆盖率、叶面积系数和光照强度与产量呈极显著相关。cover densely更多例句