pre-codedBNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 🌏编码;前符码;预编码 It duplicates the upper and left side boundary pixels of the coding block from the pre-coded blocks to create a sub- codebook which is much smaller than the super codebook. 它从欲编码区块的上方与左方之已编码区块复制了边缘的像素来建立大小远小于原始码本的动态子码本。140.117.74.206