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人机界面 rénjī jièmiàn
avia.	computer human interface; man/machine interface (接口); man aircraft/machine interface
nucl.phys.	human machine interface
railw.	Driver Machine Interface
space	human-machine interface; man-machine interface
steel.	HMI: human machine interface
人-机界面
comp.	man machine interface
人机计算机界面
avia.	human computer interface
人机交互界面
railw.	man-machine interface

人机界面: 8 phrases in 5 subjects

Aviation	1
Nautical	1
Rail transport	1
Space	3
Technology	2