大师作文网abacus(算盘）的发明过程,谁知道,最好用中英文都有的.
来源：学生作业帮 编辑：大师作文网作业帮 分类：英语作业 时间：2024/11/12 04:35:13
abacus(算盘）的发明过程,谁知道,最好用中英文都有的.
关于算盘的来历,最早可以追溯到公元前600年,据说我国当时就有了"算板".古人把10个算珠串成一组,一组组排列好,放入框内,然后迅速拨动算珠进行计算.东汉末年,徐岳在《数术记遗》中记载,他的老师刘洪访问隐士天目先生时,天目先生解释了14种计算方法,其中一种就是珠算,采用的计算工具很接近现代的算盘.这种算盘每位有5颗可动的算珠,上面1颗相当于5,下面4颗每颗当作1.As to the origins of Abacus,it can date back to 600 BC.China was said to have a "balance sheet." The ancients considered the 10 bead into a group,one set arranged well into the box,and then quickly toggle count beads calculated.Eastern Han Dynasty,Xu Yue in the "surgery in mind a few left," recorded in his visit to a hermit days head teacher,Mr.Liu,the days,Mr.Head explained the 14 kinds of calculations,one of which is the abacus,using the computational tools is very close to modern calculations .This abacus has 5 each movable operator beads,an equivalent of 5 above,the following four stars as one of each.