The following 14 research groups received 2001--2002 awards for major innovation contribution at the 2003 annual work conference of CAS held March 26--28 in Beijing: nanostructure, thin film growth and surface kinetics group with the Institute of Physics, research group for aggregation of organic molecules and radical chemistry with the Shanghai Institute of Organic Chemistry, hybrid rice genome group with the Beijing Institute of Genome (in preparation), research group for sequence and functional genome of rice chromosome 4 with the Shanghai Institutes for Biological Sciences and Institute of Genetics and Development Biology, photoelectric science and engineering group with Institutes for Photoelectric Science (Shanghai Institute of Technical Physics, Shanghai Institute of Optics and Fine Mechanics and Institute of Optics and Electronics), pre-research group for the second campaign of gas and oil exploration with Institute of Geology and Geophysics, chemical laser group with Dalian Institute of Chemical Physics, brain development and plasticity group with the Shanghai Institutes for Biological Sciences, general-purpose CUP Godson group with Institute of Computing Technology, Jehol Fauna Group with Institute of Vertebrate Paleontology and Paleoanthropology, metal nanomaterials group with Institute of Metals Research, group for the permofrost roadbed stability of Qinghai-Tibet Railway with Cold and Arid Regions Enviornmental and Engineering Research Institute, group for hand-written Chinese characters recognition and optical character recognition with the Institute of Automation, and HT-7 HT-7 Tokamak Group with Institute of Plasma Physics under the Hefei Institutes of Physical Science.