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三角学
sānjiǎoxué
agric.
trigonometry
(trigonometria)
hydroel.st.
trigonometry
三角学〔的〕
sānjiǎoxué
gen.
trigonometry
三角 学:
18 phrases
in 8 subjects
Aviation
1
Desert science
1
Electronics
1
General
2
Hydroelectric power stations
3
Metallurgy
1
Nursing
1
Technology
8
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