网络释义英英释义
Three Age System 三时期分段法
Three-age system
- abstract: The three-age system in archaeology and physical anthropology is the periodization of human prehistory into three consecutive time periods, named for their respective tool-making technologies:
以上来源于: WordNet
双语例句权威例句
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The CDU defends the traditional three-tier system in which children are separated by ability at age ten; the Greens want them to spend more time in the same schools.
基民盟支持传统的三阶段式教育体系，这种体系中孩子们将在10岁时按照能力分班；绿党则希望孩子们可以在同一个班级待更长的时间。
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A new system with three groups was tested, and the second group (Risser 0 with closed triradiate cartilage and Risser 1) was the best predictor of a digital skeletal age score of between 400 and 425.
一个新的系统分三组进行了测试，第二组(里塞尔0与封闭三叶形软骨和里塞尔1)能够最佳预测400至425之间的数字骨龄评分。
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