The paper presents the practical research and application of EDFA in engineerings.
本文介绍EDFA实用化研究及其在实际光通信工程中的应用。
These results may provide a theoretical basis for the practical research of the problem.
其结果可为实际问题的研究提供理论基础。
Based on the theories and the practical research, we find that the "happy teaching" is a kind of effective, interesting and useful teaching method.
通过理论研究和教学实践认为,快乐教学法是较为有效的、富有趣味性且实用性较强的教学方法。
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