It is not necessary to ensure uniqueness of PR IDs.

New players are often encouraged to check their name against an international roster to ensure novelty and uniqueness of the alias before officially using it.

She'd have gladly changed her name to something outlandish to ensure uniqueness.

The current algorithm for generating the unique filename combines the time, the host name, and a number of pseudo-random parameters to ensure uniqueness.

To ensure uniqueness, the University would offer courses that would:

Low production numbers and many available styles ensured almost complete uniqueness of each Type 105.

In computing, grist is the addition of characters before and/or after a parameter to ensure uniqueness to a software interpreter.

Tikhonov regularization ensures existence, uniqueness, and stability of the solution.

Apple recommends that abstract types be copyrighted to ensure uniqueness.

The prime contractor is responsible for ensuring uniqueness.