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大圆 dàyuán
IT	great circle
oil	orthodrome
tech.	orthodrome (弧)
wind.	equator
任何大圆 dàyuán
gen.	equator
大圆地球表面通过球心的平面切成的圆 dàyuán
telecom.	great circle

大圆: 296 phrases in 42 subjects

Agriculture	3
Air defense	3
Anatomy	1
Animal husbandry	5
Architecture	6
Automobiles	4
Aviation	9
Biology	4
Botany	1
Bridge construction	2
Ceramics	1
Construction	1
Dancing	1
Desert science	3
Dragon dance	1
Drilling	1
Ecology	1
Electronics	2
Engineering geology	1
Entomology	1
Exhibitions	1
Explosives and Explosive Ordnance Disposal	1
Figure skating	1
General	21
Hydroelectric power stations	2
Ichthyology	3
Latin	3
Mechanics	1
Metallurgy	10
Mountaineering	3
Nautical	1
Oil / petroleum	8
Pest control	1
Space	25
Sports	4
Surgery	2
Technology	120
Telecommunications	4
Textile industry	29
United Nations	2
Watchmaking	1
Wind Energy	2