international geomagnetic reference field
短语词组
- International y geomagnetic reference field 国际标准地磁场
- international boundary geomagnetic reference field 国际地磁参考场
- international geomagnetic reference field correction 地球正常磁场校正
- international reference geomagnetic field [地物]国际参考地磁场 返回 international geomagnetic reference field