The task " the development of TV grab bucket - cabled observation and sampling system benthal 6000 meters deep " is belong to Nation " 863 " plan. This task meets the need of ocean mineral resource reconnaissance. 国家863计划6000米海底有缆观测与采样系统&电视抓斗的研制(编号2001AA612030)课题正是为满足十五期间大洋矿产资源调查的采样技术需要而研制具有独立自主知识产权的深海定点观察与采样技术。