However, effects of Dust deposition on marine ecosystems were reported to be highly variable in various oceans. The Yellow Sea is characterized by high concentrations of nutrients and chlorophyll-a while the reverse is true in the northwest Pacific Ocean. 研究发现沙尘沉降对不同海域生态系统的影响不同。黄海海域的营养盐和叶绿素浓度含量均比较高,而西北太平洋海域恰恰相反。
Evaluates the true role that Hami played in the northwest frontier history in Ming Dynasty, regards that Hami Garrison did not meet the desired rule goal of Ming Dynasty because of many kinds of reasons. 并对密卫在明代西北边疆历史中所起的真正作用做了分析评价,认为哈密卫没有达到明朝统治的预期目的,其原因是多方面的。