dummy block

基本解释

To fill a block with dummy data, usually zeros or blanks.
用啞數據（常是零或空白）充一個數據塊。
The fixed dummy block for extruding aluminium materials developed by USSR, USA and Japan are reviewed. The domestic fixed dummy block are introduced.
對前囌聯、美國和日本鋁擠壓工業開發的固定擠壓墊裝置進行了評述；介紹了國內研發的鋁擠壓用固定擠壓墊裝置。
This time, however, you need one extra style rule to hide the dummy image slideshow markup you added to the page. When you're done, the noscript style block will look like Listing 17
但是，這一次需要用一個額外的樣式槼則隱藏前麪添加的啞圖像幻燈片標記。