最佳实践：通过实践和研究证明能可靠地获取希望的结果的技术或方法。
Best practices: Techniques or methodologies that, through experience and research, have proven to reliably lead to a desired result.
研究了移动式叶轮给煤机电气及PLC控制并通过实践表明，采用PLC控制可以提高叶轮给煤机的可靠性和稳定性。
Electrical and PLC control is studied. Application results show that using PLC can improve the reliability and stability of impeller coal feeder.
通过实践着重研究和验证了如何构造系统的XM L元数据，以及如何实现基于XML的异构数据库的数据转换和数据透明访问等一系列问题。
Through actual application, a series of problems are researched and proved which include how to construct the systematic XML meta-data and realize the heterogeneous dat...
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