To slight pollution of low temperature and low muddy water, it's hard to reach the national life potable water quality level by adopting routine water disposing technique.

对于微污染低温低浊水，采用常规水处理工艺处理后难以达到国家生活饮用水水质标准。

youdao

Result Foping was the initial production site of Macrocarpium officinale Sieb. et Zucc… The quality of air, soil and irrigation water reached the limited level of the related national standards…

结果佛坪是山茱萸的道地产区，大气、 土壤、灌溉水等环境因子均符合国家规定的标准。

youdao

The results were found that major elements were within national health standard or the level of harmless health except the turbidity, because their data were higher in a few of drinking water samples.

结果发现：除浑浊度因少数水样偏高而 使平均水平略超过国家卫生标准外，其余成分均在饮用水水质卫生标准范围之内或在对健康基本 无害水平。

youdao

Limited agricultural productivity, continued land degradation and water scarcity have made food self-sufficiency goals unachievable at the national or regional level.

UNESCO: EDUCATION

Their role in water cycles is integral to water resource management from the level of a local pond right up to trans-national river basins.

UNESCO: MEDIA SERVICES