The high institutions are the main seedbed of the basic research and technological innovation, and shoulder the importan高等学校是我国基础研究和技术创新的重要源发地，担当着为经济发展和社会进步提供源动力的重任。
The high yields overall are attributed mainly to good seedbed structure and a manual precision seeding.总的来说，这些高产量主要是由于适宜的苗床结构和精细的手工播种。