Distance between ROV and sea ice from ROV survey PS122/3_33-83 on 2020-03-28,...

The distance between a remotely operated vehicle (ROV) and the sea-ice underside was measured by a single-beam upward-looking acoustic sonar altimeter (Tritech PA500) attached...

通过装配于（原文后续附着对象未完整给出）的单波束向上指向声学声呐高度计（single-beam upward-looking acoustic sonar altimeter，Tritech PA500），对遥控无人潜水器（Remotely Operated Vehicle，ROV）与海冰下表面之间的距离进行了测量。