Objective to study epidemiologic features and degree of endemicity of Schistosomiasis Japonica in water netregion.
目的了解水网地区日本血吸虫病流行程度及流行特征。
2
Researchers at the World Bank have found clear net gains for the region from the expansion of China.
世界银行的研究人员已经发现,拉美地区从中国的扩张中获得了明显的净收益。
3
It is expected that North America will continue to be a net importer of nitrogen and that the region will move into increasing phosphate deficit while remaining a primary supplier of potash.