signature mark

In software protection, a method of giving a mark, or signature, that cannot be duplicated, to a floppy disk. a special test routine detects if a signature is present, and if it is not found the protected program will be disabled.

软件保护中，把不能复制的标记或签名存放在软盘上的方法，用一个特殊测试程序来检测签名是否存在，如不存在，则被保护的程序不能运行。

Mark says he will he'll still be wearing his signature mustache.

马克说他会继续留着他那标志性的胡子.

a petition on downing street's website calling for gordon brown to resign as prime minister has reached the 20000-signature mark.

日前，英国唐宁街网站上发布了一封要求首相布朗下台的请愿书，目前得到2万人的联名支持。

If a red underline appears under the signed by status line and if the button appears as an exclamation mark, the signature is invalid.

如果“签署人”状态行下出现红色下划线并且按钮显示为感叹号，则签名无效。