片语

secular gravity variation长期性重力变化

magnetic recording wire secular variation地磁长期变化

secular variation trend长期变化趋势

paleomagnetic secular variation古地磁场长期变化

secular variation detail长年变化

secular variation features长期变化特征

the secular variation变化特点

geomagnetic secular variation长期地磁变化

secular variation of geomagnetic field地磁场长期变化

英汉例句

• according to the observation data at guangzhou geomagnetic observatory from 1958 to 1995, we summarize the laws of the geomagnetic secular variation in guangzhou geomagnetic observatory.

  本文利用1958～1995年已正式出版的《地磁观测报告》资料对广州地磁台地磁场的长期变化进行分析研究。

• with geomagnetic field model records, several kinds of secular variation of geomagnetic dipole moment and the position of the geomagnetic north pole during the year 0~2000 a.

  利用地磁场模型资料，计算和分析了公元0～2000年的地磁场偶极子磁矩和地磁北极位置的长期变化。

• after an analysis of the secular variation of the common z-term in latitude, the existence of the non-polar long period terms in latitude is verified.

  本文从讨论纬度公共z项长期变化的规律入手，证实了纬度非极变化中存在着某些长周期项。

• to discuss the possibility of reducing or eliminating the effect after considering the influence of secular variation of the earth rotation rate and acceleration of the earth and moon system.

  考虑地球自转速率长期变化和地月系加速取值对日食本影轨迹的影响，并讨论减少或消除这种影响的可能性。

• according to observation data at geomagnetic stations in hebei province from 1986 to 2005, we sum up and analyze the laws of the geomagnetic secular variation in this paper.

  利用河北省地磁台1986～2005年的地磁观测资料，对该地区地磁场长期变化规律进行总结分析。

• the laws governing the secular variation of droughts and studies for their trend are closely related to our national economy, especially to the agricultural production.

  干旱的长期变化规律及其未来的发展、变化趋势的研究，与国民经济，尤。其是与农业生产有着十分密切的关系。

• that's valuable for investigation of geomagnetic secular variation in the world.

  这对于研究整个地球的地磁长期变化具有一定的参考价值。