1.
Research on Directivity of Ultrasonic Emitter for Parametric Array Loudspeaker System
参量阵扬声器系统的超声发射阵指向性研究
2.
Development on High Power Ultrasonic Generator and The Experimental Rsearch on Utrasonic Emulsifying;
大功率超声发生器的研制及超声乳化的实验研究
3.
ultrasonic generator
超声波振荡器超声波发生器
4.
Design for Frequency-modulated Ultrasonic Generator in Ultrasonic Bonding Field
超声键合变频式超声波发生器的设计
5.
supersonic turbo jet
超声速透平喷气发动机
6.
ultrasonic negative-ion generator
超声波负离子发生器
7.
peaceful, quiet tuning, and ultra sonic rear parking assist.
宁静, 无声发动机调整, 还有 超声波后停车支持
8.
Ultrasound makes an image by bouncing sound waves off an object inside the body.
通过体内器官声波发射，超声波可以成像。
9.
Speciality of Parotid Gland Ultrasonography in Primary Sjgren's Syndrome
原发性干燥综合征的腮腺超声声像图特征
10.
Experimental Study on Measurement of Ultrasonic Cavitation Field with Sonoluminescence;
声致发光法测量超声空化场的实验研究
11.
Principle and structural design of a kind of high-power ultrasonic generating system
一种大功率超声波发声系统原理与结构设计
12.
Acousto-Ultrasonic Testing for Bond Quality in Solid Rocket Motor Structure
固体火箭发动机结构粘接质量的声-超声检测
13.
Study of vibro-acoustography with high spatial resolution based on sector array transducers
高分辨率扇形阵列超声激发振动声成像研究
14.
Online Inspection Based on Acoustic Emission and TOFD Technology and Its Application
基于声发射和超声TOFD的在线检验技术及应用
15.
Electromagnetic acoustic transducer(EMAT) is a new ultrasonic transmitting and receiving device.
电磁超声换能器是一种新型的超声波发射接收装置。
16.
Comparison of Imaging Diagnosis of Primary Hepatic Carcinoma Using Color Doppler Ultrasound and Contrast-enhanced Ultrasound;
彩色多普勒超声与超声造影在原发性肝癌诊断中的对比研究
17.
The Study of Application of Immediate Contrast-Enhanced Ultrasound in Primaryi Hepatic Carcinoma by High Intensity Focusedultrasound Therapy;
超声造影在高强度聚焦超声治疗原发性肝癌中的应用研究
18.
Then the orientation of development is clarified in researching and manufacturing of ultrasonic motor.
明确了超声波电动机研制的发展方向。