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The karst rocky desertification comprehensive prevention and cure is a long-term and massive system project.
喀斯特石漠化综合防治是一项长期、庞大的系统工程。
youdao
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The karst rocky desertification comprehensive prevention and cure is a long-term and massive system project.
喀斯特石漠化综合防治是一项长期、庞大的系统工程。
youdao