But this idea would imply quite unusual properties of the pairs, which have never before been observed. (sciencedaily.com)
This matrix should be used to find lenders for unusual properties, borrowers and loan programs when the borrower is otherwise qualified under conforming credit guidelines. (scotsmanguide.com)
Materials designed at the molecular level can have unusual properties such as extreme strength or the ability to efficiently convert light into electricity. (newscientist.com)