regular net region [数] 规则网格区域
river net region 河网地带
water net region 水网地区
region control net 区域控制网
Objective to study epidemiologic features and degree of endemicity of Schistosomiasis Japonica in water net region.
目的了解水网地区日本血吸虫病流行程度及流行特征。
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.
预计北美将继续作为氮肥的净进口国,而该区域在继续作为主要钾肥供应者的同时,却显示出氮肥日益短缺的趋势。
Perhaps the region first had to stabilise its economies and build its social safety net before embarking on microeconomic and institutional reform.
也许该地区着手微经济和体制改革之前须先稳定经济并建立社会安全网。
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