In approaching the challenge of designing the new hydrophone , the researchers first examined some existing listening devices that work well underwater the ears of marine mammals , particularly orcas .

为解决设计新型水诊器的挑战，研究人员首先考察了部分可于水底正常工作的“听音设备”海洋哺乳动物的耳朵，特别是虎鲸。

The research results lay the theoretical foundation for practical engineering application of the vector hydrophone .

研究结果为矢量水听器工程应用奠定了理论基础。