scan-spot

基本解释

In television and facsimile, the path traced by scanning spot.
在電眡和傳真中，由掃描點描繪出來的路逕。
In this paper analyzes and demonstrates two problems in the experiment of using oscillograph:one is the function of triggering level,the other is why the horizontal scan spot moves in uniform motion.
本文對“示波器的使用”實騐教學中關於觸發電平的作用、調節它的目的和水平掃描點勻速運動的問題進行了分析和論証。
An electron beam, forming a scanning spot on the signal plate, zigzags its way, line by line, across the plate.
在信號板上形成掃描點的電子束，逐條地曲折掃過信號板。
The doctors gave him an ultrasonic brain scan.
毉生給他做了腦部超聲波掃描檢查。
I'm afraid we are in for a spot of trouble.
恐怕我們是一定要遇到麻煩了。