... 资源得到有效利用- 最优解； 典型的生产组合问题（Production Mix） 15 16 家具厂的数学模型 例2 营养配餐问题（Diet Problem） 决策变量 ：桌椅产量 假定一个成年人每天需要从食物中获取3000大卡热 x1 生产桌子的数量， 量、55克蛋白质和800毫克钙，市场上有...
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如果你不介意在厨房里干活，我们负责备餐的学生工作时间是很灵活的，从一大早到傍晚的任何时间都没有问题。
If you don't mind working in the kitchen, we've got some pretty flexible hours for students doing food-prep work, anything from early morning to late afternoon.
饭店每天供应三餐，不过到周五晚上这已经成了问题了，很多住客要排队等着吃饭。
The hotel feeds its guests three times a day, and that started to become a problem by Friday evening, with lots of visitors lining up for the buffet.
对你的食物餐单做些简单的改变有助于治疗一些常见的健康问题。
Making simple changes to your food diet can help remedy some of the common health problems.
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