这些化石的形成的地点和方位同时也让研究者们知道在始新世的绿河的环境条件。

The placement and orientation of these fossils also tells researchers about the conditions at Green River during the Eocene .

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其始置时间为汉武帝元狩四年（前119）后不久，最早设置的地点在朔方至令居一带；

Its first setup was soon after the fourth year of Yuanshou in Wudi period(B. C. 119), and the places were scattered in the belt from Shuofang to Lingju.

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作者从杂交稻的育种实践出发，采用在不同年份和地点进行分期播种和插秧的方法，对北方杂交粳稻核心亲本的播始历期及其稳定性进行研究。

So in this paper, from the point of view of practical application, the DSH and its stability of some core parent lines of japonica hybrid rice was invest.

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