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正弦 zhèngxiánstresses
math. синусоидальный
tech. синус
正弦: 256 phrases in 20 subjects
Antennas and waveguides1
Automated equipment2
Automobiles2
Aviation1
Electrical engineering1
Electricity1
Electronics27
General54
Geology3
Geophysics1
Mathematics29
Medical3
Military8
Oil and gas2
Oil processing plants8
Physics3
Radio6
Radiolocation2
Rail transport1
Technology101