The sensors recorded sleep signals created by the seals' brains and heart rate.

传感器记录了海豹大脑和心率产生的睡眠信号。

A Henan province news website said that the drone recorded no unusual signals on the first day of the test.

河南省的一个网站称在考试的第一天，无人机没有发现有异常信号存在。

Mileece L'Anson, composer and a musician, recorded human and plant bioelectrical signals to give us a symphony, a soundscape composed in collaboration with the flora.

麦莉丝·安森（Mileece L’Anson），一名作曲家和音乐家，记录了人类和植物的生物电信号，为我们带来了一个交响曲，一个与植物群合作创作的声景。

" This is the first demonstration to our knowledge of successful control of muscle activation using intracortically recorded signals in a paralyzed human, " the researchers wrote.

研究人员写道：“据我们所知， 这是首次使用瘫痪人体皮质内记录的信号成功控制肌肉激活。

During World War II, submarine Sonar recorded these strange dense signals rising from the deep as if parts of the ocean floor were moving up and down by as much as 3,000 feet.

在第二次世界大战期间，潜艇声纳记录了这些从深处升起的奇怪的密集信号，就像部分海底上下移动了 3000 英尺。