radius wikipedia - EAS
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In classical geometry, a radius (PL: radii) of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length. The name comes from the latin radius, meaning ray but also the spoke of a chariot wheel. The plural of radius can be either radii (from … 查看更多內容
Polar coordinates
The polar coordinate system is a two-dimensional coordinate system in which each point on a plane is determined by a distance from a fixed point and an angle from a fixed direction.
The fixed point … 查看更多內容• Bend radius
• Filling radius in Riemannian geometry
• Radius of convergence
• Radius of convexity 查看更多內容CC-BY-SA 授權下的維基百科文字 遠端使用者撥入驗證服務 - 維基百科,自由的百科全書
Radius (bone) - Wikipedia
https://en.wikipedia.org/wiki/Radius_(bone)It is a long bone, prism -shaped and slightly curved longitudinally. The radius is part of two joints: the elbow and the wrist. At the elbow, it joins with the …
- MeSH: D011884
- TA98: A02.4.05.001
- TA2: 1210
- Latin: Radius
Radius Wikipedia 的圖片
bing.com/images- https://en.wikipedia.org/wiki/Radius_(film)
Radius is a 2017 Canadian science fiction thriller film directed and written by Caroline Labrèche and Steeve Léonard. It stars Diego Klattenhoff , Charlotte …
- Music by: Benoît Charest
- Release date: 17 July 2017
Radius – Wikipedia
- https://en.wikipedia.org/wiki/Earth_radius
Earth radius (denoted as R???? or ) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid, the radius ranges from a maximum of nearly 6,378 km (3,963 mi) ( equatorial …
- https://en.wikipedia.org/wiki/Atomic_radius
Atomic radius. Diagram of a helium atom, showing the electron probability density as shades of gray. The atomic radius of a chemical element is a measure of the size of its atom, usually the mean or typical distance from the center of …