English ⇄ Chinese

non-return-to-zero change
space	不归零制变化
telecom.	异码变化不归零制
non-return-to-zero, change
gen.	改变不归零
non-return to zero—change
avia.	非归零----- 更改

non-return-to-zero change: 20 phrases in 6 subjects

Computers	1
Electronics	3
Information technology	5
Space	2
Technology	3
Telecommunications	6