Vegetation coverage is an important ecological parameter, possessing important significance to the global environment variation and monitoring investigation.
植被覆盖度是一个十分重要的生态学参数，对于全球环境变化和监测研究具有重要意义。
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Part four, the use of the concept of ecologicalmonitoring of classroom teaching systems analysis, classroom instruction on the monitoring and control system structure, function and features.
第四部分，运用生态学理念对课堂教学监控系统进行分析，论述了课堂教学监控系统的结构、功能和特点。
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Meanwhile, applications of the K value map in soil and water conservation, monitoring of soil loss, ecological agricultural construction and reducing floods were also discussed.