| 1 | Xiling sits about 100 kilometres to the west of Beijing in Yixian. | |
| 2 | Based on analysis of the metallogenic environment, this paper rebuilts the depositional evolvement model of Yixian sea basin. | |
| 3 | Tzu Chi volunteers launched a poverty alleviation program in the remote Yi County in China, where they made 23 home visitations to assess the aid they require. | |
| 4 | Based on the design for the program to process leveling data with mobile phone in Yixian Seismostation, the feasibility to replace PC1500 with mobile phone is studied. | |
| 5 | The growth, fruit setting, adaptability and fruit quality of Dashi early maturing plum were observed from 1991 to 1996. |
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