Taking acousticflow measurement as an object of study the author has proposed an optimum formula, and its error analysis is made.
本文以超声测流为主要研究对象，建立了流量最优解算方程，分析了其误差特性。
2
Acoustic instruments on the submarine told us that there was a ridge at the bottom of the ocean, sitting transverse to the flow of ice.
潜艇上的声波仪器告诉我们，在海洋底部有一道海脊，横向坐落在冰流方向上。
3
Other proposed USES for the self-plucking acoustic fibres include nets that monitor the flow of water in the ocean and large-area sonar imaging systems.