中英互译
secular variation
基本释义
- 长期变化：指在较长时间尺度上发生的自然现象或过程的变化，通常用于地球科学、气候学和天文学等领域。
双语例句
- Theory, observation and application of the geomagnetic polarity reversal and secular variation, magnetostratigraphy;地磁场倒转和长期变的理论、观测和应用以及磁性地层学；
- 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。
- 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。
网络短语
- geomagnetic secular variation地磁长期变化
- secular variation of geomagnetic field地磁场长期变化
- secular variation trend长期变化趋势
- the secular variation变化特点
- secular variation detail长年变化
英英释义
- The secular variation of a time series is its long-term non-periodic variation (see Decomposition of time series). Whether something is perceived as a secular variation or not depends on the available timescale: a secular variation over a time scale of centuries may be part of a periodic variation over a time scale of millions of years.