ultrasonic

One of the designers said, "Now the ultrasonic sensor on the glove is quite large."

其中一位设计师说：“现在手套上的超声波传感器相当大了。”

Picture shows how the glove with an ultrasonic sensor works according to the passage.

根据文章所说，图片显示了带超声波传感器的手套是如何工作的。

The bat emits these ultrasonic pulses, very high pitch sound waves that we cannot hear.

蝙蝠会发出我们听不到的非常高的超声波脉冲。

When the tomato plants´ stems were cut, 25 ultrasonic pain sounds were recorded in an hour, and at the same time, 15 ultrasonic pain sounds were recorded from the tobacco plants.

当番茄植株的茎被切断时，一小时内记录了25次超声波疼痛声，同时记录了15次烟草植物的超声波疼痛声。

Plants that were in no immediate danger gave out less than one ultrasonic sound per hour.

那些不受直接威胁的植物每小时发出的超声波不到一次。