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| 固定位置 (Placement of an element relative to either the element's parent or, if there isn't one, the body. Values for the element's Left and Top properties are relative to the upper-left corner of the element's parent) | |||
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| 固定位置 (Placement of an element relative to either the element's parent or, if there isn't one, the body. Values for the element's Left and Top properties are relative to the upper-left corner of the element's parent) | |||
