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magnetic meridian

/mæɡˈnetɪk məˈrɪdiən/

翻译: 地球表面上表示该点地磁场水平分量方向的线,用于导航和地球物理学。

1 个条目

phrase

/mæɡˈnetɪk məˈrɪdiən/C1formalscientific
  • zh地球表面上表示该点地磁场水平分量方向的线,用于导航和地球物理学。

A line on the Earth's surface representing the direction of the horizontal component of the magnetic field at a given point, used in navigation and geophysics.

  1. Imaginary line of magnetic fieldC2formal

    An imaginary line on the Earth's surface connecting points where the magnetic field is horizontal, or the line along which a magnetic needle aligns itself.

    zh磁子午线

    • The compass needle aligns itself with the magnetic meridian.
    • Navigators use the magnetic meridian to determine direction.
    • The angle between the true meridian and the magnetic meridian is called magnetic declination.