1.
harbour echo-ranging-and-listening device
港口回声测距和测向装置
2.
Determination of Direction and Range
定向与测距装置(超声波)
3.
Design of Distance Measurement System Based on Ultrasonic Sensor
基于超声波测距系统的节能装置设计
4.
combined echo ranging echo sounding
组合回声测距与测深
5.
CERES (Combined Echo Ranging Echo Sounding)
统一的回声测距与测深
6.
acoustic pulse echo system
声脉冲回声测距系统
7.
pulse multiplex distance-measuring equipment
脉冲多路式测距装置
8.
DME ground beacon antenna
测距装置地面信标天线
9.
Design of ultrasonic direction testing device based on FPGA
基于FPGA的超声波测向装置设计
10.
The technique can be used in microprocessor protection and fault location devices directly.
该方法可直接用于微机保护和故障测距装置。
11.
sound operation navigation and ranging
声波导航和测距系统
12.
horizontal projection echo sounder
水平方向回声探测仪
13.
NEDAR (Nautical Exploration Device and Recoverer)
海洋探测装置与回收装置
14.
The bat judges distances by a kind of echo-location.
蝙蝠用一种回声测定法来判断距离。
15.
electronic digital tracking and ranging unit
数字式电子跟踪测距装置
16.
a cylindrical log with a distance-registering device.
带有远距离寄存的装置的柱状测速器。
17.
Improvement on a Device in the Experiment of the Measurement of the Thin Lens Focallength;
“薄透镜焦距的测定”实验装置的改进
18.
Specifications of the Port Hoisting Machinery for the Braking System and the Wind Proof Appliance
港口起重机械对制动装置和防风装置的要求