1.潜水器发展简况及存在问题近十年来,美国、法国、加拿大、日本等国为适应海洋开发,研制了各种型式和用途的海洋开发机器。如用于海洋资源调查、海底井架及管道维修管理,海底电缆舖设等载人,无人潜水器等。载人潜水器的特点是,操作者可直接观测和操作,比无人潜水器灵活。1960年,美国载人 1. Submarine development briefing and existing problems Over the past decade, the United States, France, Canada, Japan and other countries have developed marine development machines of various types and uses in response to the development of the oceans. Such as marine resources survey, submarine derrick and pipeline maintenance management, submarine cable laying and other manned, unmanned submersibles. Manned submersibles are characterized by the operator’s direct observation and operation, which is more flexible than unmanned submersibles. In 1960, the United States was manned