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to phrases
定期性
dìngqīxìng
hydroel.st.
periodicity
定期 〔间发〕性
gen.
periodicity
定期性
:
65 phrases
in 19 subjects
Agriculture
4
Air defense
2
Automobiles
3
Bridge construction
1
Commerce
2
Economy
9
Electronics
8
Engineering geology
1
Finances
3
General
1
International trade
1
Oil / petroleum
1
Plastics
3
Reproductive biology
1
Securities
2
Space
2
Technology
19
Telecommunications
1
United Nations
1
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