voice encryption device
analog code encryption unit
facsimile encryption unit
hand-held encryption unit
multichannel bulk encryption unit
narrow-band audio encryption unit
teleprinter encryption unit
divition of “super unit combine—super unit—unit”
advanced encryption standard(AES) encryption
Basic unit finance unit ideology political works
control unit(instruction)control unit
halogen sealed-beam unit (HSB unit)
identical unit or proportional unit of the body
Line unit and tributary unit