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variational ['ve(ə)rɪ'eɪʃ(ə)nəl] adj.
gen. 变化〔异,种〕的; 因变化而产生的
hydroel.st. 变化的; 变异的; 变分的; 变量的
variational: 59 phrases in 16 subjects
Air defense1
Aviation2
Business2
Construction2
Earth sciences6
Electronics3
Explosives and Explosive Ordnance Disposal1
General1
Geophysics1
Hydroelectric power stations3
Metallurgy2
Oil / petroleum1
Rail transport2
Space4
Technology26
Telecommunications2