The SO2 pollution caused by coal-combustion has become the most main pollution factor in atmospheric environment.
由燃煤引起的二氧化硫污染已成为大气环境中最主要的污染因子。
The pollution of ammonia nitrogen is serious year by year in inner-river and becomes the main pollution factor though its concentration varies with different seasons.
内河涌的氨氮污染逐年严重，并呈现季节性的变化，已成为最主要的污染因子。
Obviously, air pollution is the main factor that has resulted in the frequency of hazy weather.
显然，空气污染是导致雾霾天气经常出现的主要因素。
Phosphorus pollution is the main factor causing eutrophication of water.
磷污染是造成水体富营养化的主要因子。
Fertilizer is the main factor for the harvest of crops, but its irrational application brings environmental pollution, further harmful to mankind through its accumulation in vegetables.
肥料是粮食增产的主要因素，但化肥施用不当加剧了环境污染，特别是通过蔬菜积累直接危害人类健康。
Identified the main factor influencing urban rainfall-runoff pollution provides a scientific basis for urban rainfall-runoff pollution control and management.
识别影响城市降雨径流污染的主要因子是城市降雨径流污染治理和管理的前提和基础。
The main factor affecting the ocean pollution comes from the land.
陆源污染是影响海域污染的主要因素。
The indoor environmental pollution has already become the main factor of damaging human health. To improve the indoor environmental quality has become a very urgent problem at the moment.
室内环境污染已经成为危害人类健康的主要因素，因此对室内环境质量的改善就成了眼前一个十分迫切的问题。
Rainfall runoff is the main factor affecting the formation of nonpoint pollution.
降雨径流是形成非点源污染的主要影响因素。
With the point source pollution being reduced gradually, the non-point source pollution has become the main factor of the water pollution and tends to be worse.
随着点源污染得到逐步治理，面源污染已成为水体污染的主要原因，并有逐渐恶化的趋势。
Through focus on main polluting factor to find out about indoor environmental pollution, and adopt green building materials and green plants to beautify our room.
通过对主要污染因子的关注，了解室内环境污染，采用绿色建材和绿色植物美化我们的居室。
With the effective control of point source pollution, non-point source pollution becomes the main factor of water pollution.
随着点源污染的有效管理和控制，非点源污染已成为水环境污染的主要原因。
The agricultural non-point pollution has become a main factor causing ecological environment problem and pollution event.
农业面源已成为引起库区生态环境问题、暴发水环境污染事件的主要贡献源。
The agricultural non-point pollution has become a main factor causing ecological environment problem and pollution event.
农业面源已成为引起库区生态环境问题、暴发水环境污染事件的主要贡献源。
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