Taking into chief consideration the features of aviation nodes in satellite networks,such as high moving speed,long communica-tion distance,and high connection frequency,this article proposes an aviation-oriented mobility management method for IP/low earth orbit (LEO) satellite networks.

It analyzes conception of node design for Dacheng alley pedestrian mall in Wuxi,discusses its design method,at the same time it indicates importance of node space design to improve whole design quality.

Theoretic research on the mechanical properties of the annular plane of space joint of concrete-filled circular steel tube with outer annular-stiffener;

Tests are conducted on four prestressed concrete space joints through low reversed cyclic loading tests for seismic evaluating these joints in Shanghai Qizhong Tennis Center.

Ignition energy of aviation ignition device is an important parameter for reliable launch of air jet.