1.
A security authentication model for electronic documents based on intelligent card and digital envelope
基于智能卡和数字信封的电子文档安全认证模型
2.
scribbling(figures)on an envelope
在信封上乱写（数字）.
3.
Research and Transaction of Digital Wrapper Overhead on OTN;
光网络中数字包封技术开销信息的研究与处理
4.
The Study and Realization of Video/Audio Wrapping and Encrypting Technology for Digital Film Based on MXF;
数字电影信息的MXF封装加密技术的研究与实现
5.
typing a letter on the WP
用文字处理机打一封信.
6.
There is no name at the beginning of this letter
这封信起首没有写名字。
7.
In the digital age, writing an old fashioned, snail mail letter to a friend will surely make his day.
在数字化时代，写一封老式的平信给朋友，绝对可以让他高兴一整天。
8.
She put the letter on the pile of letter waiting to be signed .
她把这封信放在一堆待签字的信上。
9.
digital data communication message protocol
数字数据通信信息协议
10.
Does the name on the envelope correspond with the name on the letter inside?
信封上的名字与里面信上的名字是否相同?
11.
alphanumeric representation of informatio
信息的字母 数字表示
12.
alphanumeric message processor
字母数字信息处理器
13.
It was a long envelope. There was no name on it. Then I saw that it wasn't fastened shut. I opened it and looked inside.
那是一个长长的信封，信封上没有名字。这时候我看到信封没有封口，便打开向里面瞧。
14.
There're a couple of other typing errors this letter.
这封信里还有其他一些打字错误，
15.
She is clicking off a letter on the typewriter
她正在打字机上劈啪地打出一封信。
16.
She crumpled the letter into a ball and threw it into the wastepaper basket.
她把那封信搓揉成一团, 扔进了字纸篓。
17.
He came across this letter when he was cleaning out his writing table.
他收拾写字台的时候，发现了这封信。
18.
I always keep a store of envelope ready in my desk.
我总是在写字台里备一些信封。