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- W2387659311 abstract "To define the cost function of irrigation pipes of certain region,engineering cost data of irrigation pipes per unit length in the region are needed. However,the cost data are difficult to collect,and the cost of some irrigation projects cannot reflect the current price level owing to their old construction time.With regard to the above-mentioned,cost information of market materials and budget norm of engineering,etc.are introduced to calculate the engineering unit price of pipes with various diameters,and then through statistical analysis,the cost function of irrigation pipes is yielded." @default.
- W2387659311 created "2016-06-24" @default.
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- W2387659311 date "2006-01-01" @default.
- W2387659311 modified "2023-09-23" @default.
- W2387659311 title "Researches on cost function of irrigation pipes" @default.
- W2387659311 hasPublicationYear "2006" @default.
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