次数曲线重叠overlap: vt.,vi. (-pp-) 1.(与…)交搭;叠盖。 ...frequency curve: 【统计学】频数曲线。 overlapping curve: 交叉网纹; 磨削交叉花纹; 重合曲线accumulative frequency curve: 累加次数曲线图altimetric frequency curve: 测高频率曲线下载手机词典可随时随地查词查翻译