It has the same validity as typing your name in an E-mail or signing a document using a pen.

它与在电子邮件上键入你的名字或者用笔在一份文件上签字具有同样的效力。

youdao

Who is preparing, signing and issuing the master (i. e. original) documents? How do you store them?

谁来起草、签署、发放文件母本(即原件)？您是如何保存那些原件的？

youdao

E. g. by code signing the app package I prove to apple that the creator of the app and the developer registered with apple are one and the same person.

例如通过代码签名的应用程序包我向苹果证明，应用程序的创建者和注册到苹果的开发人员是同一个人。

youdao

They use false details or hide behind anonymous e-mail addresses when signing up, and are almost impossible to trace.

BBC: Fake websites shut down by police

The number of people signing an e-petition to save a children's heart surgery unit in Leicester has slowed, according to the man who set it up.

BBC: Glenfield heart surgery e-petition 'slowed'

Try counting sometime the number of commercial messages you encounter in just a few minutes of internet surfing or sifting through your email everything from Google ads to banners, flash videos, email blasts, spam that slips through your filter, and e-newsletters you now regret signing up for.

FORBES: Can You Hear Me Now? Web-Enabled Brand Experiences That Cut Through The Clutter