Since the 1980s,the world community development and the rule of law entered a new phase;under this background,great progress are made in administrative control legislation both in the mainland and Taiwan in nearly 20 years,in the process of the rule of law exists larger comparability.

In the 20 years from 1981 to 2000 in China, the teaching pattern research ran through three stages of introduction, theoretical exploration and pattern construction and its content covered the concept, structure, features, function, category, choice, application and construction.

The result indicated: during 20 years the Korean National Minority student\'s growth level has certain scope to enhance, after before the growth rate and the speed performance are“, quick, slow”the characteristic, the student build already started from“the bean sprouts”to approach the transformation“symmetrically”.

Study on Resin Productivity in a 20-year-old Half-sib Progeny Test of Pinus massoniana;

Agricultural Library Branch and Agricultural Library Career——Write at Agricultural Library Branch of Chinese Agronomy Academy Come into Existence for 20th Anniversary;

At the time of celebrating the 20th anniversary of Transactions of the Chinese Society of Agricultural Engineering (CSAE), the developing history and great achievements were reviewed and concluded.