single-humped
single-item
single-level
single-line
single-log
single-market
single-name
single-office
single-payment
single-purpose
  singleround
single-sample
single-server
single-service
single-sided
single-sourcing
single-stage
single-tail
single-tailed
singleton
single-unit

    singleround survey

    однофазное обследование, одноступенчатое обследование