two- - unif
- two-associate design
- two-bin (inventory) policy
- two-bin model
- two-bin system
- two-by-two table
- two-channel
- two-channel system
- two-class priority model
- two-class system
- two-commodity flow
- two-component system
- two-crossed [two-dimensional, two-way] classification
- two-dimensional
- two-dimensional process
- two-dimensional random walk
- two-dimentional defect
- two-entry [two-input, two-way] table
- two-equipment redundant system
- two-factor experiment
- two-factor model
- two-factor [two-way] interaction
- two-failure algorithm
- two-failure mode system
- two-fold redundancy
- two-fold redundant element
- two-fold redundant system
- two-goods model
- two-level experiment
- two-parameter distribution
- two-parameter mortality
- two-phase service
- two-phase [two-stage] sample
- two-phase [two-stage] sampling
- two-priority discipline
- two-rail checker
- two-sample
- two-sample experiment
- two-sample inspection
- two-sample test
- two-samples problem
