一種需要經過放大才可閱讀的微小圖象。
An image that is too small to be read without magnification.
利用多次垂直掃描來重顯一幅完整圖象的掃描技術。電視中使用2：1的交錯率，即每幀分兩場，垂直掃描兩次，一場掃描奇數行，另一場掃描偶數行。
In scanning, the technique of using more than one vertical scan to reproduce a complete image. In television, 2:1 interlace is used, giving two vertical scans(fields) per frame; one field scans odd lines, and one field scans the even lines of the frame.
超聲波心動描記器一種用來顯示詳細的大腦圖象的儀器，利用超聲波發送和反射的差異來測試并無傷無痛
An instrument that in a painless and noninvasive manner uses the differential transmission and reflection of ultrasonic waves to create a detailed visual image of the brain.
發送或接收一幅新的快照會覆蓋前面的圖象。
Send or receiving a new snapshot overwrite the previous image.
