be responsible for a task unit until it is completed

data processing task

Design Task Unit

muti-task processing

naval task unit

on-line task processing

task processing

task processing information library

task processing， terminal

task processing，terminal

task unit

terminal task processing

urgent task processing

Baseband Processing Unit BPU

Batch processing unit

BPU Basic Processing Unit

BPU Branch Processing Unit

BPU Broadband Processing Unit

cental processing unit