为自己加油

Revisions, additions and deletions shall be identified by a vertical black line along the outside of the page opposite only that portion of the printed matter that was changed.

A.用黑色字体在页面外侧对改版、补充和删除进行说明，对应于已经更改的部分打印内容。
B.应在书页外侧以垂直黑线标记修订、增加和删除之处，仅对应于印刷件中已更改的内容。
C.对于经过修订和增删的文字，沿书页外侧用粗黑直线加以标识，并仅打印修改。内容部分。