比较了石英砂和陶粒滤料蚯蚓生物滤池的污泥减量化效果。
Sludge reduction performance by earthworm biofilters using quartz sand and ceramsite as media was compared.
应用于长江江苏段的演变及作河势分析的结果说明，本文的方法能够取得一定的定量化效果。
The application in the Yangtze river in Jiangsu Province and the analytic results on evolution of the river show that some quantitative results can be attained through this method.
但这两种效果都无法量化。
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