Stage division 阶段划分 ; [计] 分级方法
growth stage division 生长阶段划分
historical stage division 历史阶段划分
exploration stage division 阶段划分
development stage division 开发阶段划分
neotectonic stage division 新构造阶段划分
This division set the stage for allopatric speciation among populations of fishes and other marine species.
这种划分为鱼类和其他海洋物种的分区物种形成奠定了基础。
I was so impressed with the way you handle the microscope and the samples of onion cells, and with how carefully you observed and diagramed and interpreted each stage of cell division.
你操作显微镜和洋葱细胞样本的方式，以及对细胞分裂各阶段的仔细观察、描绘和解释，让我印象非常深刻。
With the advent of Joe Louis, who first gained national prominence in 1935 and became heavyweight champion two years later, the heavyweight division returned to center stage.
随着Joe Louis的横空出世，重量级别重返中心舞台。他在1935年第一次赢得国际声望，并且在两年后成为了世界冠军。
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