In fact over 80% of all Marine pollution comes from land-based activities and many pollutants are deposited in estuaries and coastal waters.
事实上超过80%的海洋污染来自陆地活动和许多污染物沉积在河口和沿海水域。
Based on analysis and investigation, the authors discussed human activities and land utilization changes in northwest areas of Shanxi Province from Western Jin Dynasty to Northern Wei Dynasty.
通过对史料的分析和考证,探讨了从西晋至北魏时期晋西北地区人类活动和土地利用方式的变迁。
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