The phrase "particular sort" means a specific type or kind of something.
Sentences with «particular sort»
And all the parents meant a very particular sort of stimulation. (skepticalob.com)
There are also particular sorts of religious commitment which encourage freedom of inquiry. (religion-online.org)
It is interesting to speculate in that case why particular sorts of technologies make for good futures and others apparently do not. (scientificamerican.com)