We should pay special attention to thetrustfulness, interoperability, granularity and element extendibility in the discovery and application of Chineseeducational resources. 2 figs. 14 refs.

• 元数据在中文教育资源发现应用中应注意元数据的信任问题、互操作问题、描述粒度问题、元素扩展问题。图2。参考文献14。