nonrecoil
non-recoverable
nonrecoverable
non-recurrent
non-recursive
non-redundant
non-reflecting
nonreflection
non-reflexive
non-regenerable
  non-regenerative
non-relativistic
non-removable
non-repeated
non-resistant
non-resonance
non-resonant
non-retentive
non-retractable
non-return
non-return-flow

    non-regenerative laser amplifier

     усилитель невырожденного типа на лазере

     нерегенеративный лазерный усилитель