For a surveyed gravity anomaly, the combination of some squares is taken as the initial model.
对于一个实测的重力异常，先用若干方格的组合作为初始模型。
The forth derivative of gravity anomaly can be obtained by Taylor series expansion of gravity field.
利用重力场的泰勒级数展开式，可求出重力异常的四次导数。
Given a initial model, one can calculate the gravity anomaly caused by a undulate subsurface interface.
在给定密度界面初始模型之后，可以计算出地下某一起伏界面引起的重力异常。
The undulation of Mohorovicic discontinuity under JX region only causes the gravity anomaly of 21-42 milligals.
在JX地区，由莫氏界面的起伏只能引起21—42毫伽的重力异常值。
According to the data of gravity field in Haljun Basin, the regional distribution of gravity anomaly is obtained.
根据哈喇峻地区区域重力数据资料，给出区域重力异常分布特征。
Conventional methods fail to bring good processing result of gravity anomaly which has undergone terrain correction.
用常规方法对地改后的布格重力异常进行处理效果不佳。
Seismic results confirm that this gravity anomaly map is more close to the true geological structure of the subsurface.
经地震证实，这种重力异常图更符合地下的真实地质结构。
The paper suggests that the regional negative gravity anomaly reflected mainly the sedimentary basin or the depression;
认为，区域性重力负异常多反映的是沉积盆地或凹陷；
The gravity gradient anomaly reflects the change of gravity anomaly, and it has a higher resolution than gravity anomaly.
重力梯度异常反映的是重力异常的变化，其分辨率比重力异常高。
It is a important job to calculate the "bottom structure" of geologic object in interpreting the regional gravity anomaly.
地质体“基底构造”的计算是区域重力解释中的重要任务之一。
About 10 gravity anomaly areas and 18 magnetic anomaly areas are found in geophysical surveys at Lunlang lead-zinc deposit.
根据该区地球物理测量成果，共圈出重力异常区10个、磁力异常区18个。
With this system one can compute the values of free-air gravity anomaly, Bouguer gravity anomaly and isostatic gravity anomaly.
用这个系统可以计算自由空间重力异常，布格重力异常和均衡重力异常值。
As the second derivative does, the forth, derivative of gravity anomaly projects local anomaly but suppresses regional anomaly.
重力异常四次导数和重力异常二次导数一样，具有突出局部异常，压制区域异常的作用。
A type of positive gravity anomaly that results from the presence of a dense cap rock overlying a relatively low-density salt dome.
一种正的重力异常，是由上覆在相对低密度的盐丘上的致密的盖层岩石引起的。
In the genesis stage of an earthquake, regional gravity anomaly appears in a large area, resulting in related local gravity anomaly.
在地震孕育发生阶段，重力场出现较大范围的区域性重力异常，并产生与地震孕育发生有关的局部重力异常区。
The residual gravity anomaly was mainly produced by rolling basement of the basin and the regional gravity anomaly by the Moho rolling.
推断引起剩余重力异常的主要原因是盆地基底的起伏，引起区域重力异常的主要原因是莫霍面起伏。
In this paper, the thin features of gravity anomaly in the South China Sea block were explained and its formation and evolution was studied.
本文解译了南海地块细结构的重力异常特征，并探讨了南海海盆的形成与演化。
This paper introduces a high accuracy forward method called 3-d vertex point method for computing gravity anomaly of arbitrary complex body.
本文介绍一种计算复杂形体重力异常的高精度三维角点法。
Therefore, the deep sources producing the regional anomalies should be understood during using the method to process observed gravity anomaly.
因此，应用本方法处理实测重力资料，必须首先了解引起区域重力异常的场源情况。
The main task is to research relation of all kinds of fault models fault positions and gravity anomaly linear structure signal maximum positions.
其主要任务是研究各种断裂模型中断裂位置与重力异常线性构造信号极大值位置之间的对应关系。
Theoretical calculations show that the influence value can reach 10 milligals or so, and matches fairly well with the observed gravity anomaly value.
理论计算表明其影响值可达10毫伽左右，与观测的重力异常值大致相当。
Ore zones occur in the edge of local positive gravity anomaly, in the strike interrupted area or steep gradient area of regional aeromagnetic anomaly.
而且矿区、矿化集中区还位于反映深部构造变异的局部重力异常区边缘、区域航磁走向中断区或梯度变化带附近。
Comparison of the Bouguer gravity anomaly map with geological map shows that the local negative gravity anomaly is caused by the Linglong granitic complex.
布格重力异常图与地质图的对比表明，本区的局部重力异常主要是由玲珑花岗质杂岩体引起的。
The method, which we use to derive the general expressions for the new coefficients in the development of gravity anomaly Ag(m, a), is analogous to Fourier's.
应用勒让德多项式的加法定理和类似于求傅里叶系数的方法，导出了新展式中系数的普遍表达式。
For many years, no matter how the level of gravity explorationmay be, the middle layer and terrain corrections must be done in Bouguer gravity anomaly computation.
多年来，不论重力勘探程度如何，在布格重力异常计算中都必须经过地形改正和中间层改正。
Formulas of inversion and cosine transform spectrum of gravity anomaly of sphere, infinite horizontal cylinder, infinite and finite stretched staircase were deduced.
推导出球体、无限长水平圆柱体、无限和有限延伸垂直台阶的重力异常余弦变换谱及反演表达式。
Seven large areas (zones) of magmatic activities were detected on the basis of rock density characteristics and Bouguer gravity anomaly data of eastern Inner Mongolia.
依据岩石密度特征，应用布格重力异常资料，在内蒙古东部地区推断7个大型岩浆岩活动区(带)。
Isostatic gravity anomaly shows the character of middle - short wavelength, reflects unbalance of crust and upper mantle and dynamical character of substance adjusting.
均衡重力异常显示出中短波长特性，反映的是地壳上地幔物质分布的失衡和物质调整的动力学特征。
However, there occurs 5-70 milligals gravity anomaly in this region, the residual anomaly being 30-50 milligals after eliminating the effect of Mohorovicic discontinuity.
然而，在此区却出现了5—70毫伽的重力异常值，从中去除莫氏界面的影响，其剩余异常值还有30—50毫伽。
However, there occurs 5-70 milligals gravity anomaly in this region, the residual anomaly being 30-50 milligals after eliminating the effect of Mohorovicic discontinuity.
然而，在此区却出现了5—70毫伽的重力异常值，从中去除莫氏界面的影响，其剩余异常值还有30—50毫伽。
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