重点阐述了超声波定位导航系统的硬件设计。
Emphasizes on how to design the hardware of the ultrasonic navigation system.
蝙蝠视力很差，它们通常用超声波定位来导航。
Some bats with poor eyesight depend on echolocation to navigate.
实际资料处理证明，处理效果要优于声波定位系统。
The real data processing results show that it surpasses the acoustic positioning system.
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