研究者通过超声波发现，23周大的胎儿即开始在睡眠时快速移动眼球。
Studies using ultrasound have shown that fetuses exhibit REM sleep as early as the 23rd week of gestation.
爱因斯坦也无法知道由盘型传感器产生的超声波振动能将空中这些玻璃微珠钳除，再在它们悬垂在空中移动时进行测量。
Nor would he have known that ultrasonic vibrations from a plate-like transducer would shake those glass beads into the air to be tweezed and measured as they moved in suspension.
胎儿同样可以检测到快动期。研究者通过超声波发现，23周大的胎儿即开始在睡眠时快速移动眼球。
Fetuses also experience REM sleep. Studies using ultrasound have shown that fetuses exhibit REM sleep as early as the 23rd week of gestation.
针对移动机器人在未知狭窄环境中的导航问题，利用证据理论中的矛盾因子，给出了一个自适应超声波传感器模型。
The conflict factor of D-S evidence theory is applied to constructing an adaptive ultrasonic sensor model for the navigation of mobile robots in narrow unknown environments.
针对已知狭窄空间，本文在移动机器人进行导航之前使用超声波传感器来建立一个准确的环境地形图，然后让移动机器人记住这个地形图。
If the environment is known, we build its map with ultrasonic sensors in advance before navigation is performed, and then let mobile robot memorize this map.
它可以在房间里自行移动，由于有一个超声波传感器，机器人不会碰到障碍物，它能按微处理器的命令绕过障碍物。
It can be moved to the room, because there is an ultrasonic sensor, the robot will encounter obstacles, it can according to the microprocessor command around obstacles.
设计中的超声波自主探路车系统，其本质上是自主导航的轮式移动机器人。
The ultrasonic self-determined route exploring car in this design is an autonomous navigated wheeled mobile robot in nature.
移动车体装有环形分布的超声波传感器阵列作为距离感知工具测量和路标之间的距离，里程计作为机器人自身的辅助定位工具。
Mobile robot body has a distribution of ultrasonic distance sensor array perceived as a tool for measuring the distance from the landmarks, a milestone of its own robot-assisted positioning tools.
介绍一种利用充电电动螺丝批改制的轻便手持式超声波探头移动器，可辅助检测人员进行钢板对接焊缝的超声波检测工作，从而提高检测工作效率、减轻工作强度。
A moving utensil for portable ultrasonic probe which is made of chargeable electronic screwdriver is introduced, and it can be used to assist detector to detect steel butt-joint welding seam.
论述一种用于移动探雷机器人越障的超声波测距系统。
A new ultrasonic raging system applied in the mine detection robot is discussed.
在移动机器人可以完成行走任务之后，利用超声波传感器和光电传感器为机器人系统建立避障系统。
After the robots can implement motion tasks, the obstacle avoidance system is devised, using ultrasonic sensors and photoelectric sensors.
在移动机器人可以完成行走任务之后，利用超声波传感器和光电传感器为机器人系统建立避障系统。
After the robots can implement motion tasks, the obstacle avoidance system is devised, using ultrasonic sensors and photoelectric sensors.
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