plus-minus sign

常见例句

The plus [+] sign is equivalent to restore, and the minus [-] sign is equivalent to minimize.
加号 [+] 对应于 restore，减号 [-] 对应于 minimize。
The minus sign (-) or plus sign (+) before each change corresponds with the file names directly above the line.
每个更改前的减号（-）或加号（+）与行上方的文件名一致。
If the size attribute begins with a plus or minus sign (such as size="+2" or size="-1"), use a relative size for the font; map +1 to a relative font size of 110%, for instance.
如果 size 属性以一个加号或减号开头（如 size="+2" 或 size="-1" ），则使用字体的相对大小；