marine magnetic survey room [海洋] 海洋磁力测量室
The selection of base value is critical to the geomagnetic diurnal variation correction in Marine magnetic survey.
地磁日变基值的选取是海洋磁力测量地磁日变改正的重要内容。
Aeromagnetic data downward continuation to sea level instead of Marine magnetic survey data can improve use capability of survey data.
采用航磁数据向下延拓到海面代替船测数据，可提高磁力测量成果的综合利用率。
The contour of sea surface magnetic field is an essential map in Marine magnetic survey. By using this map, the position of underwater ferromagnet is easily defined.
海面磁场等值线图是海洋磁探测的最基本图件，从中可以确定水下铁磁体的位置所在。
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