Việt
bán kính độ quay tròn
Anh
gyration radius
radius of gyration
Đức
Traegheitshalbmesser
Traegheitsradius
Pháp
rayon de giration
gyration radius,radius of gyration /SCIENCE/
[DE] Traegheitshalbmesser; Traegheitsradius
[EN] gyration radius; radius of gyration
[FR] rayon de giration