In order to strengthen communication between Nanhai Laboratory and local institute in Hainan Province, Nanhai Laboratory of IACAS recently invited some professors and postgraduates of Hannan University to the laboratory to have academic exchanges.

On behalf of Nanhai Laboratory, two postgraduates ---- JI Guihua and YU Yanxin made reports entitled "Linear Internal Wave Spectrum Analysis of South Sea" and "Inversion of Shallow Sea Velocity Profile by Parallel Genetic Algorithm", respectively. A warm discussion followed the reports. The attendants said the communication broadened their horizon and they benefited a lot from the exchanges.