More recently , ultrasonic devices have been deployed in some of the world 's most wintry regions .
最近,超声波装置已部署在一些世界上最寒冷的地区。
Much like radar , these devices measure the length of time needed for a pulse of ultrasonic energy to bounce off the surface of the snow and return to the transmitter .
就像雷达,这些设备测量携带能量的超声波脉冲抵达雪面并返回到发射器所需的时间长度。
Once the antenna reached its new home , the transporter used laser-guided steering and ultrasonic collision detectors to guide the disk into its docking station , a concrete pad equipped with power and fiber optic connections .
Currently , " taishan " can cooperate very well under the keeper 's instructions , and also can be proceeded with the routine physical examination like phlebotomizing and b ultrasonic scanning .
目前“泰山”在饲养员的指示下配合默契,还能进行常规体检,如抽血和b超声波扫描。
Ultrasonic welding removes 6 % of the drag that would otherwise occur , according to jason rance , the head of aqualab , speedo 's research and development centre in nottingham , britain .
For the uninitiated , mindstorms is a lego product that includes most of the components needed to build a robot , including the company 's trademark bricks as well as three servo motors , four sensors ( ultrasonic , sound , touch , and light ) , gears and axles .
Its special pen and sensor work together using infrared and ultrasonic signals that capture text as it 's written ; they don 't use handwriting recognition .
专用的手写笔和传感器必须搭配使用,通过红外线和超声波信号来捕捉书写轨迹,而不是使用手写识别技术。
These mice were also more likely than control mice to emit ultrasonic squeaks-a type of mouse love song-toward other males .
试验鼠也比对照组发出更多的超声波级别的尖叫声一种对其他雄鼠的情歌。
Nevertheless , they can be difficult and costly to find . Apart from careful visual inspection , techniques like x-rays and ultrasonic probes are also used .