update Chinese doc url

Now use `zh_CN` locale, without the this fix, the link would not resolve to the right url
cc @jiahao
Merge pull request #5909 from wlbksy/patch-1

update Chinese doc url
Restore non-broadcasting +, -, etc. for ranges

I think these were accidentally removed in
9e9ab5c10d8ce4e49c9f9182315e7acd7959c5f5