本帖最后由 andas 于 2012-12-16 21:01 編輯
A narrow field of view produces___________. 狹窄觀看條件會(huì)產(chǎn)生; a、higher magnification and a greater depth of field 目測(cè)對(duì)象的尺寸和深度會(huì)變得越大 b、higher magnification and a smaller depth of field 目測(cè)對(duì)象的尺寸變大和深度變小 c、less magnification and a greater depth of field 尺寸較小,深度較深 d、less magnification and a shorter depth of field 尺寸較小,深度較淺
請(qǐng)解釋什么是狹窄觀看條件。。 |