CSS3--改变固定定位（fixed）的⽗级定位元素css--改变固定定位(fixed)的⽗级定位元素固定定位并不是只能相对body定位, 它的⽗级定位元素是可以⾃⼰设置的排卵日症状⽬录MDN 原⽂fixedThe element is removed from the normal document flow, and no space is created for the element in
会计专业英语模拟题（开卷）解读《会计专业英语》模拟题一．单项选择题1.The Realization Principle indicates that revenue usually should be recognizedand recorded in the accounting record, .A. when goods are sole or rvices are rendered
