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六十年代以来,海洋科学的研究工作逐渐从近岸向远洋、从海面向海底、从间断向连续大面积发展。一些国家先后研制了为实现船只在航行的条件下能测得温度、盐度随深度的变化,以及测量激光束经过海水的传输特性,有的还可现场测知叶绿素和浮游生物的走航装置——即运载不同类型的海洋仪器装置—现今多称之为拖曳载体(下简称拖曳体)。虽然其外形多样,然而驰名于世界的要算是加拿大的蝙蝠鱼(Batfish)拖曳体了(如图1所示)拖曳的概念早期是出现在船舶营运过程中,有时可能会遇到需要拖带其它船舶或被其它
Since the 1960s, the research work in marine science has gradually evolved from discontinuous to continuous large-scale development from near shore to ocean and from sea to sea. Some countries have developed in order to achieve the ship sailing conditions can be measured under temperature, salinity with depth changes, as well as measuring the laser beam transmission characteristics through the sea, and some can also detect chlorophyll and plankton on-site navigation device - that is, to carry different types of marine instruments and devices - nowadays call it a drag carrier (hereinafter referred to as drag). Although its shape is diverse, the well known in the world is Canada’s Batfish tow (as shown in Figure 1). The concept of towing was initially present during the operation of the ship and sometimes encountered the need to tow other ships Or by others