n.

noteworthy scarcity

同義詞：rarenessinfrequency

a rarified quality

同義詞：tenuitylow density

something unusual -- perhaps worthy of collecting

同義詞：curiocuriosityoddityoddmentpeculiarity

List of the Birds Recorded in Bulgaria
Mecanisme de fonctionnement variable des soupapes de moteurs a combustion interne
Rarities
Exploiting local and global patch rarities for saliency detection
Exploiting local and global patch rarities for saliency detection
Prediction of Rarities from Habitat Variables: Coastal Plain Plants on Nova Scotian Lakeshores
Unicorns or Tiger Woods: Are lie detection experts myths or rarities? A response to On lie detection "Wizards' by Bond and Uysal.
Can richness patterns of rarities be predicted from mesoscale atlas data? A case study of vascular plants in the Kevo Reserve
The status of phonetic rarities
Homicidal and dyadic falls from a height: rarities in Singapore