foreign current
6.We analyze the transition from the current networks to B-ISDN in our country and foreign countries. In the light of our current data communication networks and the technology of data communication:we also analyze the method of the transition from the current networks to B-ISDN,starting from the bottleneck,that is,network interconnect rate,And finally we present the possible method of the transition to B-ISDN.
7.The HKSAR Government continues to negotiate air services agreements(ASAs) and air services transit agreements (ASTAs). It also continues to hold air services consultations with foreign aviation partners to review and update current bilateral arrangements to cope with changing market circumstances.

