多年以来，安全分析家们就做出警示：工业控制系统很容易遭到那些恶意的程序员的攻击和操控。
For years, security analysts had warned that industrial control systems were susceptible to attack or manipulation by malicious coders.
本文介绍在风机性能试验中使用自动数据采集和控制系统的情况及用来完成试验的通用程序。
This paper describes the application of an automatic data acquisition and control system in fan performance tests and the universal program used.
该框架还公开一个强大的用户身份验证和访问控制系统，通过定制它几乎可以满足任意web应用程序的需求。
The framework also exposes a powerful user authentication and access control subsystem that you can customize it to meet the requirements of almost any Web application.
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