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现金牛类业务是指增长缓慢,占有较高的相对市场占有率的业务,企业在该业务中具有较强的竞争优势,也是企业现金的主要来源。
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传说古时候一个中国人从猎人串成串的猎物上,得到灵感.把木珠串在木棍上计数, 这就是算盘的起源Traditional Chinese says that the abacus, suan pan, was _____hunter. Collecting trophies from animals they killed People began to _____ on wooden sticks to ____. This was the first abacus
算盘至今已有2000多年历史,他是世界上最为古老却仍在被使用的计算工具. 很多中国人小时候都会学习算盘Invented more than 2,000 years ago, suan pan are the oldest ____ still used today. Most Chinese learn how to use suan pan when they were young
算盘的构造很简单, 由代表数字的珠子和代表位数的木棍组成The _____ of suan pan is quite simple, It is ____ by B, which represent numbers, and wooden sticks, which represent decimals
只需要记住简单的口诀, 算盘就能进行复杂的加减乘除运算,而且计算的速度非常快.算盘是中国计算工具的活化石Suan pan can be used to _____ quickly with simple formulas and rules. Suan pa are the ____ of Chinese mathematical discovery
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