1.N-COUNT A cutoff or a cutoff point is the level or limit at which you decide that something should stop happening. 截点
2.N-COUNT The cutoff of a supply or service is the complete stopping of the supply or service. 终止 (供应或服务)
cutoff value
截止值 ; 截断值 ; 其比色判定临界值 ; 色判定临界值