evolutionary divergence meaning in Chinese

进化距离
进化趋异
进化性趋异

A new study of genes in humans and chimpanzees pins down with greater accuracy when the two species split from one . the evolutionary divergence occurred between 5 million and 7 million years ago , an estimate that improves on the previous range of 3 million to 13 million years in the past
据美国“生活科学”网12月19日报道，上述研究结果显示，人类与黑猩猩在进化过程中的分化发生在500万年至700万年之前，这较之过去人们认为的时间段要精确得多。