hú​dù

curvature

弧度 hú​dù
curvature noun
the degree to which something curves; the shape or sweep of a curve or arc

You can see the curvature of the earth!

radian
a unit for measuring angles, defined as the angle at the center of a circle that corresponds to an arc equal in length to the radius

Frequency

Movie subtitles
0.570 per million appears in 0% of films
Written text
1.81 per million

Cross-References

Same as

Sources