non-recompensible
non-recourse
non-recurrent
non-recurring
non-refundable
non-regular
non-reimbursable
non-remarriage
non-remunerative
non-repayable
  non-repeated
non-repetitive
non-reproductible
non-residence
non-resident
non-residential
non-respondent
non-response
non-revenue
non-salary
non-saleable

    non-repeated sample

    бесповторная выборка