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magnetic declination

/mæɡˈnetɪk ˌdeklɪˈneɪʃən/

翻译: 磁北(指南针指针所指方向)与真北(地理北极)之间的夹角,随地点而异并随时间变化。

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phrase

/mæɡˈnetɪk ˌdeklɪˈneɪʃən/C1formalscientific
  • zh磁北(指南针指针所指方向)与真北(地理北极)之间的夹角,随地点而异并随时间变化。

The angle between magnetic north (the direction a compass needle points) and true north (the geographic North Pole), which varies depending on location and changes over time.

  1. Angle between magnetic and true northC1formal

    The angle on the horizontal plane between magnetic north (the direction the north end of a compass needle points) and true north (the direction of the geographic North Pole).

    zh磁偏角

    • Navigators must adjust for magnetic declination when using a map and compass.
    • The magnetic declination in this region is 10 degrees east.
    • Magnetic declination changes over time due to shifts in the Earth's magnetic field.