另一方面，非线性负荷的广泛应用，又产生大量谐波对电力系统造成污染。
On the other hand, the wide-ranging application of nonlinear load produce a great deal of harmonic, it cause the pollution of electrical power system.
云龙水库径流区污染物负荷的调查结果显示，云龙水库水污染特征以面源污染为主，入库水量TN占91.8%，TP占98.4%。
The pollutants load investigation in Yunlong reservoir basin shows that the non-point pollution source is the main pollution source. The TN is 91.8%, TP is 98.4% in total water inflow volume.
洱海面源污染的负荷比重在上升，农业面源污染已经取代点源成为水环境污染的重要来源。
The proportion of non - point source pollution in Erhai lake is increasing; the agricultural non - point source pollution has taken place of point source pollution to become the main pollution source.
洱海面源污染的负荷比重在上升，农业面源污染已经取代点源成为水环境污染的重要来源。
The proportion of non - point source pollution in Erhai lake is increasing; the agricultural non - point source pollution has taken place of point source pollution to become the main pollution source.
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