给出了一种年月日时干支纪法和公历纪法换算的算术方法。

It gives us a method to know the conversion between Chinese era and the Gregorian calendar.

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任何考虑用算术方法产生随机数字的人，可以肯定，都在犯错误。

Any one who considers arithmetical methods of producing random digits is, of course, in a state of sin.

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计算机能将若干字符连成串，用一些字符代替其他字符或另行处理字符串，而不是用算术方法或逻辑方法处理字符。

Rather than arithmetically or logically manipulating characters, a computer may concatenate strings of characters, replace some characters with others, or otherwise manipulate character strings.

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