墙内，回声在彩色的拱门之内，马厩与储藏室之间回响。
Within them, sounds echoed off arches of many-colored bricks, and amongst the stables, stalls, and storerooms.
因此本论文利用回声实验室做天线效率评估，开发出两版回声实验室。
Therefore, this thesis attempts to develop reverberation chambers to evaluate antenna's efficiency.
回顾了实验室中超声波测量Q值的四种常用方法：上升时间法、回声法、频谱振比法和波形反演法。
The four common ultrasonic methods for measuring Q value in the laboratory, rise time, pulse echo, spectral ration and waveform inversion techniques are reviewed.
结果58例心慌气短患者有46 例超声表现异常，即：心肌回声异常、室壁增厚、心腔扩大及心功能减低。
Results In 58 cases, 46 cases were abnormal:abnormal myocardial-echo, thickened ventricular wall, dilation of heart and cardiac insufficiency.
这个会议室有四大优点：明亮、宽敞、时髦、无回声。
The advantages of the meeting room are bright, spacious, fashionable and without echoes.
这个会议室有四大优点：明亮、宽敞、时髦、无回声。
The advantages of the meeting room are bright, spacious, fashionable and without echoes.
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