Raster scanning: The technique of reading or plotting an image by the selective identification or sampling of dots, line by line, in a series of horizontal sweeps following a raster matrix pattern or grid.
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- 點(diǎn)線(xiàn)掃描:依照一個(gè)點(diǎn)線(xiàn)矩陣或格，把樣本上的圖像，逐點(diǎn)的選擇和辯認，逐行逐行的橫掃過(guò)去，讀出或繪畫(huà)該圖像。
