短語詞組短語Long signed integer 位帶符號整型extended signed integer type 擴(kuò)充有符號整數(shù)類型Signed Integer Extern 整數(shù)符號擴(kuò)展four -byte signed integer key 四拜帶正負(fù)號整數(shù)鍵PNG four -byte signed integer PNG 四位元組符號整數(shù) 返回 signed integer