1.
Sonar is the next step. A lot depends on technological developments to make sonar smaller hand-held sonar is now about the size of a lunch box.
发展声纳设备依赖于技术的发展，现在能将手持的声纳仪做得更小，约为一个饭盒大小。
2.
A device used to automatically follow a sonar signal to which it is assigned.
一个自动跟随分配的声纳信号的设备。
3.
It's here today -- with night vision, sonar bumpers, video games.
当前汽车上的新设备——夜视装置，声纳保险杠，电子游戏。
4.
Firstly, the mathematical model of acoustic imaging is worked up. Then, the system function of the imaging device is found out.
首先归纳出声成象的数学模型,然后求得成象设备的系统函数。
5.
Ultrasound-Mediated Synthesis of Nanoscale Cu_2(OH)PO_4;
超声辅助制备纳米级Cu_2（OH）PO_4
6.
Study on the Preparation of Nanometer a-Fe_2O_3 by Sonochemistry Method;
超声化学法制备纳米α-Fe_2O_3的研究
7.
Systhesis and Characterization of Bi_2S_3 Nanostructures under Ultrasonic Radiation
超声法制备硫化铋纳米材料及其表征
8.
Prepared Al_2O_3 powder by wet chemical method in supersonic radiation
声化学法湿法制备Al_2O_3纳米粉
9.
Synthesis of Nanopowders CoSb_3 Thermoelectric Compounds by Sonochemistry Method
超声化学法制备CoSb_3纳米粉体
10.
Optical Properties of ZnS:Mn Nanocrystallites Prepared by Sonochemical Method
声化学法制备ZnS:Mn纳米晶及其光学性能
11.
Preparation of Nanometer CeO_2 Particles by Two-fluid Ultrasonic Atomization Process
双液超声雾化反应制备纳米CeO_2粉体
12.
dictating and transcribing equipment
录音和听声打字设备
13.
Assigns sounds to events and configures sound devices.
指派声音到事件并配置声音设备。
14.
Acoustics--Noise labeling of machinery and equipment
GB/T14574-1993声学机器和设备的噪声标牌
15.
Theory of Ultrasound Micro/nano Particle Manipulation and Research of Acoustic Field Design
超声操控微纳米颗粒的理论及声场设计研究
16.
Design of Sonar Signal Simulation System Based on Target Noise
基于目标噪声的声纳信号仿真系统设计
17.
ROBUST CONTROL FOR AZIMUTH ATTITUDES OF AN UNDERWATER SONAR ARRAY
水下声纳基阵姿态鲁棒控制频域设计
18.
Design for Waveform Signal Generator of Active Sonar
主动声纳探测系统信号发生器的设计