For the new fuel injection technology of compound intake and exhaust system,the preparation process of homogeneous mixture for HCCI diesel engine was numerically simulated.

An aquatic-plant complex system is built with aquatic plants of various ecological groups in Yanghe reservoir.

The complex system between Liriomya huidobresis Blanchard and its nature enemy can be used to control leaf miner by the decrease and increase regulation between Liriomya huidobresis Blanchard and its nature enemies.

Depending on the Qingyang Loess Plateau Test Station, according to the theory of ecological economy,using modern biological and ecological engineering technique, the complex system composed by fruiter and foragegrass, grain crops, economic crops were approached.

Research on Coordination of Traffic and Transportation System by Compound System Theory;

Maintenance theory and optimal design for a compound system under a statistical equilibrium state;

Study on the compound system of orchard applying pesticide in tiny irrigation pipeline;

Two-step PN code acquisition scheme in the improved multiplex system;

Research on the anti-interference performance of estimation model SPECCORR-TDOA in the multiplex system;

Application of varying-step dual-mode blind equalization algorithm in the multiplex system;

Coordination degree evaluation of energy-economy-environment composite system in Xinjiang

Land use and urban transportation will be regarded as a composite system in this paper.

Water resources,society,economy and ecological environment are reciprocally coupled in a region and form a composite system.