Establishment of adventitious shoot regeneration system from leaves of Red General Fuji apple cultivar(Malus domestica) in vitro;

Experiments were carried out with new leaves of tissue culture plant of middle maturity cultivar Red General apple (Malus domestica) to study the rate of adventitious bud regeneration.

The author,with the steles in the Northern Wei Dynasty as the research object,has made a research on the officials of generals.

Commander-in-chief that Eastern Jin set up has intimate relations with generals.

There are much relationship between the local military officials and their position of general, which is the prerequisite for setting the local military officials.

The Sui dynasty controlled a large population and land from many rich households with great fortune, but in the Tang dynasty military leaders have more power over the land and population, and government had less power than before.