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2 changes: 1 addition & 1 deletion docs/distributed-system/distributed-id-design.md
Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,7 @@ UA 是一个特殊字符串头,服务器依次可以识别出客户使用的

abcdefghijklmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXZY0123456789

之前说过,兑换码要求近可能简洁,那么设计时就需要考虑兑换码的字符数,假设上限为 12 位,而字符空间有 60 位,那么可以表示的空间范围为 60^12=130606940160000000000000(也就是可以 12 位的兑换码可以生成天量,应该够运营同学挥霍了),转换成 2 进制:
之前说过,兑换码要求尽可能简洁,那么设计时就需要考虑兑换码的字符数,假设上限为 12 位,而字符空间有 60 位,那么可以表示的空间范围为 60^12=130606940160000000000000(也就是可以 12 位的兑换码可以生成天量,应该够运营同学挥霍了),转换成 2 进制:

1001000100000000101110011001101101110011000000000000000000000(61 位)

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