污染面积 meaning in English
contaminated area
Examples
- In our country , water crisis is increasingly serious and the pollution eara of soil heavy metal cadmium expands continuously . under this situation , my dissertation studys alfalfa which has good economic value and strong drought and cold resistance . in the study , resistance experiments of heavy metal - cadmium arid znic are carried out
本论文是在我国水资源危机日趋严重,土壤重金属镉污染面积不断扩大的情况下,针对抗旱、抗寒能力强,生物量大、经济实用价值高的紫花苜蓿,进行的重金属镉、锌的抗性试验研究。