nugatory

adj.

琐碎的；无价值的；不起作用的；无效的

nugatory
On nugatory crossings for knots
Nugatory crossings in closed 3-braid diagrams
Some remarks on the nugatory crossing conjecture
Chinese Unions: Nugatory or Transforming? An 'Alice' Analysis
Chinese unions: nugatory or transforming? An 'Alice' analysis
Cosmetic surgery in L-spaces and nugatory crossings
Silenced and Out of Place: Feeling Like a Nugatory Self
Tainted elements or nugatory directive? The role of the general anti-avoidance provisions (
Nugatory Targets Lead to Nugatory Reserve Systems that will not Staunch Biodiversity Loss: Commentary on Polak etal. ()