1月 7日　中国科学院院士和中国工程院院士评选出 1998年中国和世界十大科技进展。　　同日　上海植物生理研究所建成拟南芥、水稻突变体库 ,这是功能基因组学研究的核心工作。　　 19日　冰川冻土研究所在青藏高原海拔 4 850米处获得两组树木年轮 ,这是我国首次获得青藏高原海 On January 7, academicians of the Chinese Academy of Sciences and academicians of the Chinese Academy of Engineering selected the top ten technological developments in China and the world in 1998. The same day Shanghai Institute of Plant Physiology built Arabidopsis thaliana, rice mutant library, which is the core of functional genomics research. On January 19, the Institute of Glaciology and Geocryology acquired two tree rings at 4 850 m above sea level in the Qinghai-Tibet Plateau. This is the first time that China has won the Qinghai-