读者借书证用“数字编码”编排各类读者群为宜。工人读者群用阿拉伯数字“1”标记工人读者借书证,在办理读者借书证时第1个工人读者在借书证上打印10001号,第2个读者在借书证上打印10002号,第3个读者在借书证上打印10003号,以此类推。总之给工人读者群无论发多少个借书证、阿拉伯数字“1”总是打头代表工人证。技术员读者群用阿拉伯数字“2”标记技术员证,在办理读者借书证时,第1个技术员在借书证上打印20001号,第2个技术员在借书证上打印20002号,以此类推……。职员读者群用阿拉伯数字“3”标记。军人读者群用阿拉伯数字“4”标记。农民读者群用阿拉伯数字“5”标证。青年读者群用阿拉伯数字 Reader library card with “digital coding” is suitable for all types of readers. The worker readership uses the Arabic numerals “1” to mark the worker’s library card. When the reader borrows the library card, the first worker prints the 10001 on the library card, the second reader prints the 10002 on the library card, The 3rd reader prints 10003 on the library card, and so on. In short, no matter how many library cards are given to the workers’ readership, the Arabic numeral “1” always starts with the worker’s card. The Technician Readership uses the Arabic numerals “2” to mark the technician’s card. When applying for the reader’s library card, the first technician prints 20001 on a library card, the second technician prints 20002 on a library card, and so on .... Staff readership with Arabic numerals “3” mark. Military readership with Arabic numerals “4” mark. Peasant readership with Arabic numerals “5” certification. Young readership with Arabic numerals