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to phrases
Spektren
n
stresses
opt.
спектры
;
спектр
Spektrum
n n -s, ..tren
phys.
спектр
Spektren
:
40 phrases
in 16 subjects
Astronomy
3
Automated equipment
1
Computers
1
Electronics
1
Geology
7
Mathematics
4
Medical
2
Medical appliances
4
Mining
1
Natural resourses and wildlife conservation
1
Nuclear and fusion power
1
Optics
branch of physics
2
Quantum electronics
1
Radio
1
Technology
5
Радиоактивное излучение
5
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