常見例句雙語例句A method for computing first vertical derivatives in the upper half-space from observed gravity and magnetic anomaly data is given in this paper.本文給出了由實(shí)測重、磁異常計算上半空間一階垂直導(dǎo)數(shù)的一種方法。In the past few years, the theory of all direction imagery for local gravity and magnetic anomaly sources under complex conditions has been developed for the first time by the author.本文概要闡述了復(fù)雜條件下局部重磁場源全方位成像理論體系的實(shí)用價值與學(xué)術(shù)意義、球坐標(biāo)系內(nèi)三度體重磁場球諧級數(shù)正演通式、三度體重磁場全方位延拓和全方位反演等。A comprehensive analysis is made on the characteristics of gravity and magnetic anomaly on map-area of Hulin City in Heilongjiang Province according to the geological and geophysical data.以區(qū)域地質(zhì)資料和物性資料為依據(jù),對黑龍江省虎林市幅重磁場特征進(jìn)行了綜合分析。 返回 gravity and magnetic anomaly