同向关系 accumulation rate: 堆积速率; 频度累积率rate of accumulation: 堆积度; 积聚率; 积累率; 蓄积率correlation between mean and variance: 均值与方差间的相关correlation between relative: 亲缘间相关correlation between relatives: 亲缘间相关下载手机词典可随时随地查词查翻译