您可以在第一个字符上添加加号(+)来区分一个计算得到的域与整数。

You can distinguish a calculated field from an integer by the inclusion of the plus sign (+) as the first character.

youdao

您可以在第一个字符上添加加号(+)来区分一个计算得到的域与整数。

You can distinguish a calculated field from an integer by the inclusion of the plus sign (+) as the first character.

youdao