Extended Serial Scheduling Scheme
serial unit’s mid-voltage frequency converter
XUDT eXtended Unit Data
XUDTS eXtended Unit Data Service
divition of “super unit combine—super unit—unit”
two way serial in parallel out and parallel in serial out transceiver
USB(Universal Serial Bus) serial-port
word-serial and bit-serial
serial input/serial output
Extended Range Doppler Algorithm Extended RDA
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