【简答题】(江苏省泰州市A卷)(15分) 神秘的运动常数 ① 鸟儿在空中飞翔时,翅膀每分钟拍几次?每次幅度有多大?鱼儿在水里游动时,尾巴每分钟摆几回?每回幅度又是多少?这些问题看上去似乎没什么意义,难道空中的飞鸟和水里的游鱼不是完全自由的吗?它们的运动不是完全无拘无束的吗? ②答案真是出乎我们的意料。看上去自由自在、无拘无束的飞行动物和游水动物,它们的运动似乎恰恰遵循着严格的规律。科学家们通过大量的观察和试...
【简答题】What is the relationship between logistics and supply chain? Logistics is a component of the supply chain, and in fact it is the most active and vital link in the supply chain.
【判断题】Postponement allows the supply chain to delay product differentiation, which results in disaggregating most of the inventories in the supply chain.