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length-diameter
gen.	长度直径的
earth.sc.	长度直径比 (ratio)

length-diameter: 42 phrases in 16 subjects

Automobiles	3
Aviation	3
Compressors	3
Electric machinery	2
Explosives and Explosive Ordnance Disposal	2
General	1
Geophysics	1
Mechanics	1
Metallurgy	1
Oil / petroleum	2
Oil processing plants	1
Plastics	5
Polymers	1
Space	8
Sports	1
Technology	7