The phrase "time duration" refers to the length of time that something lasts or takes. It simply tells you how long it takes for something to happen or how long something will last.
Sentences with «time duration»
This is a very nice thing that get partner without any pay and in short time duration. (adultfindout.com)
Its not about time duration as it is authors estates making a claim or a publisher. (goodereader.com)
In this proposal, that specific time duration is also described. (rilcoinblog.com)