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转自：https://mp.weixin.qq.com/s/oZVj8lxJH6ZqL4sGCXuxMw The Tower of Babylon（巴比伦塔） Perhaps you have heard of the legend of the Tower of Babylon. Nowadays 阅读全文
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Formation is very important when taking a group photo. Given the rules of forming K rows with N people as the following: The number of people in each 阅读全文
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If a machine can save only 3 significant digits, the float numbers 12300 and 12358.9 are considered equal since they are both saved as 0.123×105 wi 阅读全文
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A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）-- everyone involved in moving a product from supplier to customer 阅读全文