join blocking的用法和樣例：
例句
- The Six Sigma Black Belt should understand the concepts of randomization and blocking.
西格瑪黑帶應了解隨機化和分塊的概念。 - However, in the compression process of blocking image data, severe boundary artifact will be produced because of boundary extension and coefficient quantification.
但在分塊處理過(guò)程中，由于小波變換的邊界擴展及系數量化等原因會(huì )產(chǎn)生較嚴重的邊緣贗像效應。
