Girlds establish the overall structure of a page by specifying the placement of text, display type, and artwork.
栅格建立一个页面整体的结构，依靠指定文字布置，显示字体类型和美工。
Blow up: a photographic enlargement of copy such as photography, artwork or type.
放大：用照相方法把原稿如相片，美术稿或字体等放大。
Blow up: a photographic enlargement of copy such as photography, artwork or type.
放大：用照相方法把原稿如相片，美术稿或字体等放大。
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