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1.ܽⷽʹǰȌwwܽ1---5ȵˮҺ,ԱѸٰl(f)]Ч.ڼˎr,ȡuԼˎʽ,Ͷˮ,֮ˮзɢ,ܽ.

2.ܽҺͨӼs0.5---1ˮҺ,ڑҝҺĸߝȺ͸ճȵĈ,hˮҺMһ,ϡጳɞ0.1,t׻϶l(f)]ֵЧ.

3.x^xӷƫճҲ^x,x,xȝȘ˜ҪxԸ.(ҕr,ͬӿˮm{ȝȸ,ȵ.ȵͿmӝ).5--1%.

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