英语释义

1. a difference between the locally observed and the theoretically calculated value of gravity that reflects local variations in density of underlying rocks and is often helpful in geophysical prospecting

片语

seperation of gravity anomaly分高叠加异常

gravity residual anomaly重力剩余异常

gravity magnetic anomaly characteristics重磁异常特征

gravitational anomaly重力异常

local gravity positive anomaly重力局部正异常

gravity low anomaly重力低异常

gravity isostatic anomaly重力均衡异常

gravity magnetic anomaly重磁异常

second derivative gravity anomaly重力二次导数异常

英汉例句

• 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。

• 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。

• So-called gravity anomaly linear structure signal is derivative of gravity anomaly level total gradient on gravity direction, and the derivatives must be greater than zero.

  所谓重力异常线性构造信号就是重力异常水平总梯度沿重力方向的一阶导数且是大于零值的那一部分。

• 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巖体引起的。

• 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。

• This paper theoretical studies the feasibility of gravity anomaly divided by means of correlation analysis method.

  本文从理论上对相关分析法区分重力异常的可行性进行了论述。

• The finite element method is applied in this paper to the calculation of the gravity anomaly for the two-dimensional body, which has arbitrarily shape and homogeneous density in each element.

  本文用有限单元法计算形状任意、密度分块均匀的二维物体的重力异常。

• 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。

• 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。

• 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。

• 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。

• In this paper, the map of isostatic gravity anomaly in the northwest of Yunnan province and its adjacent region are compiled by mechanism assumed Ainy-Heiskanen, using the circular model.

  本文以爱黎-海斯·卡宁均衡补偿假设模式为基础，利用圆模板编制了滇西北及邻区均衡重力异常图。

• The accuracy of satellite altimetry gravity anomaly has gradually reached the demand of 1:100 million with the developing of the science and technology in recent years.

  近年来随着科学技术的进步，卫星测高重力异常的精度逐步提高达到了1：10 0万比例尺的精度要求。

• 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。

• 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。

• 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。

• 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。

• The altimetry free air gravity anomaly can describe structure and basin on continental shelves, and its derived submarine topography contains lots of submarine tectonic information.

  测高空间重力异常也可刻画陆架构造及盆地分布，由其推算出的海底地形含有大量的海底构造信息。

• 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。

• It studies two problems occurred in establishing the mean gravity anomaly digital model of China. One is the basic resolution problem;

  研究了建立我国陆海新一代平均重力异常数字模型的两个问题：一是基本分辨率的确定问题；

• So, instead of「intermediate layer correction」, we should adopt free air gravity anomaly and「topographic trend surface correction」, which result in topographic trend surface free air gravity anomaly.

  为此，应当不做「中间层校正」，而应代之采用自由空气重力异常加上「地形趋势面校正」之结果，以形成地形趋势面自由空气重力异常。

• The planar gravity anomaly zone reflects geologically active zone, it also easy tof metallic ore deposits formation.

  而面状重力异常区则反应了地质活动带，也有利于金属矿床的形成。

• 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。

• 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 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。