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to phrases
time duration
tech.
历时
telecom.
持续时间
time duration
:
30 phrases
in 16 subjects
Agriculture
3
Air defense
1
Artificial intelligence
1
Aviation
1
Bridge construction
2
Corporate governance
1
Ecology
1
Electronics
6
Metallurgy
1
Nuclear and fusion power
1
Radio
1
Rail transport
1
Space
3
Technology
4
Telecommunications
2
Wind Energy
1
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