Việt
góc lệch
góc nghiêng
Anh
declination angle
Đức
Abweichungswinkel
Deklinationswinkel
Abweichungswinkel /m/VTHK/
[EN] declination angle
[VI] góc lệch, góc nghiêng (đạo hàng)
Deklinationswinkel /m/VTHK/
[VI] góc nghiêng (đạo hàng)