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to phrases
free field
agric.
不受人类
农业
活动影响的土地
earth.sc.
自由信息区〔段,组〕
el.
自由域
met.
自由字段
nautic., tech.
自由声场
otorhinol.
开放声场
space
自由场
;
未扰动场
tech.
自由
音
场
;
备注栏
telecom.
自由场一
free-field
gen.
自由场
;
自由字段〔信息组〕
free field
:
81 phrases
in 25 subjects
Air defense
1
Animal husbandry
1
Astronomy
1
Automobiles
1
Aviation
2
Bridge construction
1
Chemistry
1
Desert science
1
Earth sciences
3
Electric machinery
2
Electronics
4
Engineering geology
4
Explosives and Explosive Ordnance Disposal
1
General
3
Information technology
1
Multimedia
1
Natural sciences
1
Nautical
2
Nuclear physics
1
Nursing
1
Oil / petroleum
1
Otorhinolaryngology
5
Programming
1
Space
7
Technology
34
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