unavailability

n.

无效，没有利用率；无法利用；

Lilsys: Sensing Unavailability
Effects of maternal unavailability on mother-infant interactions ☆
Analysis/Simulation of Unavailability of FSO Link Due to FOG in Karachi & Lahore
Parallel-machine rescheduling with job unavailability and rejection
Desorption and Unavailability of Aged Simazine Residues in Soil from a Continuous Corn Field
Evaluation of the Unavailability of Natural and Synthetic Forms of β-Carotenes in a Ferret Model
Scarcity and preference: An experiment on unavailability and product evaluation
The effects of mother's physical and emotional unavailability on emotion regulation.
Method and apparatus for providing electronic mail services during network unavailability
Impact of hostility and withdrawal in interparental conflict on parental emotional unavailability and children's adjustment difficul...