Envelopes are used for Posting letters, conservative content of mail a device communicationfile information of bag.
信封是人们用于邮递信件、保守信件内容的一种交流文件信息的袋状装置。
2
Envelopes are used for Posting letters, conservative content of mail a device communicationfile information of bag. Made of rectangular envelope paper bag.
信封是人们用于邮递信件、保守信件内容的一种交流文件信息的袋状装置。信封一般做成长方形的纸袋。
3
Most boundaries are obvious: network connections, process-to-process communication, file systems, operating system interfaces, and so on, but some boundaries are more subtle.