1. Moral justification is a centrical problem of modern moral philosophy.

2. In judge"s management part, the article investigated emphatically centrical judge"s tenure of office, systems of rewarding and punishing and prohibiting calling on etc.

3. The problem for a infinite plate with centrical crack is reduced to the Hilbert problem.

4. The centrical thought of The Kieh Hexagram is the control of limit on cultivating ones moral character and governing ones family and managing the state.

5. This article deals with the general idea and function of centrical charge of coke in BF.

6. The exact complex stress functions are obtained for a infinite plate with a centrical crack or semi-infinite crack under concentrated forces at a certain point.