acoustical shadow,sound shadow是什么意思

用法例句

The results show that the noise impact on residents along the line is larger than that on people in business buildings or schools along the line, and it is more difficult for residents to take measures to mitigate the noise impact.

采用现场监测和公众参与相结合的方法调查和评价了上海市轨道交通明珠线对沿线居民、学校师生和商办楼办公人员的噪声影响。

Analysis and management system of network ultrasonic image;

网络化超声影像分析与管理系统

The system can realize that the ultrasonic image and text information are digitally managed.

数字化超声影像管理系统是在现在医院流行的PACS技术基础上提出的,其基本思想是利用现代计算机和网络技术建立一个微型PACS系统(M INI-PACS),实现超声影像和文本信息的数字化管理。

3D Ultrasonography Algorithm of Cerebral Atherosclerosis;

脑动脉粥样硬化的三维超声影像算法研究

Examination on Arterial Pedicle of Axial Pattern Skin Flap by Ultrasonography;

超声影像检测轴型皮瓣血管蒂的研究