“equator”的概念、定义、翻译、参考文献-科学参考

equator

Physics

1. The great circle around the earth that lies in a plane perpendicular to the earth’s axis. It is equidistant from the two geographical poles.

2. The magnetic equator is a line of zero magnetic dip (see geomagnetism) that is close to the geographical equator but lies north of it in Africa and south of it in America.

3. The celestial equator is the circle formed on the celestial sphere by the extension of the earth’s equatorial plane.

Mathematics

Astronomy

The intersection of the surface of a body with a plane perpendicular to the body’s axis of rotation. The plane of the equator passes through the body’s centre and divides the body into northern and southern hemispheres. All points on the equator are equidistant from the body’s poles of rotation. See also Celestial Equator; Galactic Equator.

Biology

单词	equator
释义	equator Physics 1. The great circle around the earth that lies in a plane perpendicular to the earth’s axis. It is equidistant from the two geographical poles. 2. The magnetic equator is a line of zero magnetic dip (see geomagnetism) that is close to the geographical equator but lies north of it in Africa and south of it in America. 3. The celestial equator is the circle formed on the celestial sphere by the extension of the earth’s equatorial plane. Mathematics A circle which divides a sphere, or other body, into two symmetrical parts. Astronomy The intersection of the surface of a body with a plane perpendicular to the body’s axis of rotation. The plane of the equator passes through the body’s centre and divides the body into northern and southern hemispheres. All points on the equator are equidistant from the body’s poles of rotation. See also Celestial Equator; Galactic Equator. Biology See spindle.
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