It can tell the voice in no more than 10 meters.如何翻译.如何区别no more than和not more than?

问题描述:

It can tell the voice in no more than 10 meters.如何翻译.如何区别no more than和not more than?

它能在10米之内辨别出声音.
not more than 是“至多”的意思