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| From Sandstorm to Desertification | |
| 摘 要： | According to a report of the National Forest Ad ministration Bureau, as one of the most influ enced countries by desertification in the world, China suffers an economic loss of 150 million yuan (US$ 18.3 million)every day, not including the |
| 本文献已被 CNKI 等数据库收录！ | |