英语翻译

题目

英语翻译
Crude Integer Programming.Recently,the U.S.Government began to sell crude oil from its Naval Petroleum Reserve in sealed bid auctions.There are typically six commodities or products to be sold in the auction,corresponding to the crude oil at the six major production and shipping points.A "bid package" from a potential buyer consists of (a) a number indicating an upper limit on how many barrels (bbl.) the buyer is willing to buy overall in this auction and (b) any number of "product bids".Each product bid consists of a product name and three numbers representing,respectively,the bid price per barrel of this product,the minimum acceptable quantity of this product at this price,and the maximum acceptable quantity of this product at this price.Not all product bids of a buyer need be successful.The government usually places an arbitrary upper limit (e.g.,20%) on the percentage of the total number of barrels over all six products one firm is allowed to purchase.
To illustrate th

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