Based on the original data of TM in 1988, 1992 and 1998, then after some processing and analysis, the author have the thematic data of land-use by interpretation.

本文利用1988、1992和1998年的TM原始数据，经处理分析后，通过解译，得到三个时期的土地利用专题数据。

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Since the water seismic itself with its difficulty, seismic data processing must use some ways which it is differ from land-based seismic to solve the water faced by the seismic disturbance.

由于水上地震本身所具有的特点，在地震资料处理中，必须采用与陆上地震某些不同的方法才能解决水上地震所面临的干扰。

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Data processing, results interpretation and problems of variation in land use types of the Sanjiangyuan national nature reserve based on 3s technology were introduced.

基于3s技术，介绍了三江源自然保护区土地利用方式变化的数据处理方法、解译结果及出现的问题。

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