Facing the oncoming century of the ocean, HEU has made far-sighted exploita
tions in several aspects of Underwater Technology. Some of this research te
as among the mast creative and outstanding in our country. This article bri
efly reviews some of the research conducted over the recent two decades. Th
e focus of the dissertation is mainly on the following three representative
aspects: Autonomous Underwater Vehicles (AUVs), Deep Submergence Rescue Ve
hicles (DSRVs), and Remotely Operated Vehicles (ROVs).