一些探测器被连接到了患者的听觉皮层，这样以来就更加有助于研究者了解声音处理的过程。
Some of the probes linked to the auditory cortex, providing the researchers with a detailed window into sound processing.
而探测器在沙地上移动时，声音就会较小。
位于帕萨迪纳市的美国宇航局喷气推进实验室的、协调制作这个视频的PaoloBellutta说：“这些声音显示出当探测器在火星上移动时的振动。”
'the sound represents the vibrations of the rover while moving on the surface of Mars,' said Paolo Bellutta, at NASA's Jet Propulsion Laboratory, Pasadena, who coordinated production of the video.
当孩子的大脑回应每种声音时，脑磁图描记术机器中的非侵入性探测器就会分析大脑中变化的磁场。
As the child's brain responds to each sound, non-invasive detectors in the MEG machine analyse the brain's changing magnetic fields.
声音较大的时候，探测器正在基岩上移动；
隐藏探测器是这么小，可以随身携带。当无线摄像头发现，一个LED灯闪烁，并发出警报声的声音。
The Hidden Camera Detector is so small you can take it anywhere. When a wireless camera is detected, an LED light flickers and an audible alarm sounds.
1997年夏天，美国国家海洋大气局使用美国海军“间谍”探测器记录下了一段3000英里外水下的超低频声音。
Several times during the summer of 1997, the U. S. National Oceanic and Atmospheric Administration recorded an ultra-low frequency underwater sound using U. S. Navy "spy" sensors 3,000 miles apart.
关于音量，蝙蝠发出的叫声低至50分贝，高达120分贝，这比距离你耳朵10厘米处的烟雾探测器所发出的声音还要响。
In terms of loudness, bats emit calls as low as 50 dB and as high as 120 dB, which is louder than a smoke detector 10 centimeters from your ear.
关于音量，蝙蝠发出的叫声低至50分贝，高达120分贝，这比距离你耳朵10厘米处的烟雾探测器所发出的声音还要响。
In terms of loudness, bats emit calls as low as 50 dB and as high as 120 dB, which is louder than a smoke detector 10 centimeters from your ear.
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