International Geomagnetic Reference Field

（重定向自IGRF）

The International Geomagnetic Reference Field (IGRF) is a standard mathematical description of the Earth's main magnetic field and its secular variation. It is the product of a collaborative effort between magnetic field modellers and the institutes involved in collecting and disseminating magnetic field data from satellites and from observatories and surveys around the world.

单词	IGRF
释义	IGRF 英语百科 International Geomagnetic Reference Field （重定向自IGRF） The International Geomagnetic Reference Field (IGRF) is a standard mathematical description of the Earth's main magnetic field and its secular variation. It is the product of a collaborative effort between magnetic field modellers and the institutes involved in collecting and disseminating magnetic field data from satellites and from observatories and surveys around the world.
随便看	normal luggage normal luminous intensity normal luminous intensity of LED normal luteal phase normally Normally aspirated Normally aspirated engine normally at clear normally black normally black mode normally clear signal normally clear system Normally closed normally closed auxiliary contact normally closed brake normally closed circuit normally closed contact normally closed contactor normally closed contacts normally closed control element normally closed gate normally closed interlock normally closed push button switch normally closed solenoid valve normally closed valve