The karst multi-media structure is high heterogeneity, and the outflow process is simulated by using laboratory experiment, especially the discharge attenuation process is deeply analyzed.

本文借助室内实验装置，模拟了结构不均匀的岩溶多重介质的出流过程，并着重对流量衰减过程进行了分析。

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With the widespread application of Digitalized Network-connected Multi-media Language Laboratory, maintenance work seems to be getting more and more important.

随着数字化网络多媒体语音室的广泛使用，其维护显得日趋重要。

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