You can choose your own numbering system .

您可以选择自己的编号系统。

I posted about part numbers , document number and numbering few times in the past .

过去曾屡次发表过零件编码、文档编码和编码方法之类的帖子。

In the days before street numbering or regular postal services , it became a common practice to use a coffee-house as a mailing address .

在街道用门牌号标识或者正式的邮政服务出现之前，用咖啡馆的邮编作为邮寄地址是普遍的现象。

A staggering numbering if you think about it .

如果你仔细想想，这可是一个令人震惊的数字。

But the range is large , and some people have networks numbering more than 500 , so the hypothesis cannot yet be regarded as proven .

但这个数量的变化范围是巨大的，一些人的社交网络朋友数量多达500，所以，这个假说仍然未能证实。