noun🔗Share光栅，扫描线。 A scanning pattern of parallel lines that form the display of an image projected on a cathode-ray tube of a television set or display screen."The old television displayed the image by painting it line by line using a raster. "老式电视机通过使用光栅，一行一行地扫描来显示图像.technologyelectronicscomputingmediasignalmachinedeviceChat with AIVocabulary GamePractice Reading
noun🔗Share栅格, 位图. A bitmap image, consisting of a grid of pixels, stored as a sequence of lines."The digital photo on my phone is a raster, meaning it's made of many tiny colored squares. "我手机上的数码照片是栅格图 (shān gé tú)，也就是由很多细小的彩色方块组成的位图。computingtechnologymediaelectronicsinternetsignalChat with AIVocabulary GamePractice Reading
verb🔗Share光栅化，平行扫描。 To scan in parallel lines."The old scanner had to raster the document slowly, line by line, to create a digital image. "老式扫描仪需要一行一行地光栅化扫描文档，才能创建数字图像。technologycomputingelectronicssignalmachineprocessdeviceChat with AIVocabulary GamePractice Reading
