1.
The Application Research of Expanding Room Muffler in Toilet Noise Control;
扩张室消声器在座便器噪声控制中的应用研究
2.
The Contrast of Simple Expanded-muffler with Large Porosity Perforated Muffler
简单扩张式消声器与穿孔管消声器对比研究
3.
Study on Aerodynamic Quality and Fluid Simulation of Expansion Mufflers
扩张式消声器的流体仿真及空气动力性能研究
4.
Elimination of Sound Feedback on Loud-speaking System in Multimedia Integration Classroom;
多媒体综合教室扩声系统中声反馈啸叫的消除
5.
Evaluation and prediction by using tissue Doppler imaging on patients with left ventricular dilation and dysfunction secondary to organic mitral regurgitation
组织多普勒超声显像对严重器质性二尖瓣反流引起左心室功能不全及扩张的评价和预测
6.
Fluid Dynamic and Acoustic Performance Analysis of Automotive Expansion Chamber Muffler;
车用扩张腔消声结构流体力学与声学性能的研究
7.
The Noise Elimination Capability of Diffusive Silencer and It's Air Flow Filed Analysis;
扩散型消声器的消声性能及其空气动力性能研究
8.
Study on Left Ventricular Mass and Cardiac Function before and after Percutaneous Balloon Mitral Valvuloplasty by Echocardiography;
超声对二尖瓣球囊扩张术前后左室心肌重量及心脏功能的研究
9.
Assessment of Left Ventricular Systolic Synchronicity in Dilated Cardiomyopathy Patients by Omnidirectional M-mode Echocardiography
全方向M型超声评价扩张型心肌病左室收缩同步性
10.
Assessment of left ventricular systolic synchronicity with omnidirectional M-mode echocardiography in dilated cardiomyopathy patients
全方向M型超声评价扩张型心肌病患者左心室收缩同步性
11.
Evaluation of Global Right Ventricular Systolic Function in Patients with Dilated Cardiomyopathy by Real-time Three-dimensional Echocardiography
实时三维超声心动图对扩张型心肌病右心室整体收缩功能的评价
12.
irrigating dilator
①灌注扩张器②尿道冲洗扩张器
13.
China advocates prevention of the proliferation of nuclear weapons as part of the process of eliminating such weapons.
在实现消除核武器目标的过程中，中国主张防止核武器扩散。
14.
Acoustics--Measurement of insertion loss of ducted silencers without flow--Laboratory survey method
GB/T16405-1996声学管道消声器无气流状态下插入损失测量实验室简易法
15.
A loudspeaker magnifies the human voice.
扬声器扩大人的声音。
16.
RT-3DE and STI evaluation of left ventricular myocardial systolic synchrony in patients with dilated cardiomyopathy
实时三维超声心动图和超声斑点追踪技术评价扩张型心肌病左心室收缩同步性
17.
the stomach is a distensible organ.
胃是可以扩张的器官。
18.
diffuse-field response of microphone
传声器扩散声场频率响应；传声器扩散场响应