+Shift+Enter command, which is used to enter and confirm formulae in the sheet. The formula is inserted as a matrix formula indicated by two braces { }.
+Shift+Enter 命令具有相同的功能，都是用于向工作表中输入并确认公式的。公式会以用一对花括号 { } 括起来的矩阵公式的形式插入。