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单词 inclination
释义
inclination

Physics
  • 1. See geomagnetism.

    2. The angle between the orbital plane of a planet, satellite, or comet and the plane of the earth’s ecliptic.


Mathematics
  • The acute angle between the horizontal and a given line (see depression) measured positively in the direction of the upwards vertical. θ‎ is the angle of inclination of the top of the cliff from the boat in the figure:

    inclination

    θ‎ is the angle of inclination


Astronomy
  • 1. The angle between the orbital plane of a body and the reference plane centred on the object about which the body is revolving. For planets in the Solar System, the inclination of the orbit is usually given relative to the plane of the Earth’s orbit, the ecliptic. For objects orbiting a planet, the inclination is usually given relative to the planet’s equator. For double stars, the inclination is given relative to the plane of the sky. The inclination is one of the elements of an orbit.

    2. The angle at which the rotation axis of a planet or satellite is tilted with respect to the perpendicular to some reference plane. The reference plane is usually the plane of the body’s orbit.


Space Exploration
  • The angle between the ecliptic and the plane of the orbit of a planet, asteroid, or comet. In the case of satellites orbiting a planet, it is the angle between the plane of orbit of the satellite and the equator of the planet.


Geology and Earth Sciences
  • The angle between the horizontal and a magnetic vector. Conventionally, a vector with a magnetic north pole dipping below the horizontal is considered positive, and an upward vector is negative.


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