Objective: To develop an information system for the management of orthodontic case records based on computer network and database.

目的 ：利用计算机网络技术、数据库 ，研究开发一套适用于口腔正畸病案资料的管理系统。

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He was arrested in 2011 and charged in a scheme in which he allegedly logged into the computer network at the Massachusetts Institute of Technology and using it to download millions of academic journal articles from a database called JSTOR, owned by a nonprofit group.

WSJ: Legal Case Strained Troubled Web Activist

Securing a small business' computer systems--which might involve all sorts of gorpy stuff like firewalls, application Web network scanners, access controls and database encryption--can run into the tens of thousands of dollars, says Litan.

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