release

The velocity loss at the free surface due to striking is taken into account, as well as the changing of volume and weight of the probe due to releasing winding.

线圈释放式温、盐、深探头从空中定点投放 ,入水后测量海洋不同海水层面上的温度和盐度 ,因此必须知道探头各个时刻的入水距离 ,以与获得的温、盐数据对应。