正如您了解的一样，Linux的应用正在迅猛发展，因此我们需要具备基于Linux的服务器的系统管理方面的知识。
As you know, Linux use is rapidly increasing, as is the need for knowledge about system administration of Linux-based servers.
随着数据库技术的飞速发展以及数据库管理系统的广泛应用，人们积累的数据越来越多。
With quick development of database technology and wide application of database management system, the data that people accumulated are getting more and more.
结果表明变频调速系统具有很好的应用发展前景和可观的经济效益。
Result showed frequency conversion system application development prospects are very good and significant economic benefits.
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