secular change

In other words , there's no question in my mind that there's been a secular change.

换言之, 在我看来长期的变化是必然的.

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The secular change of aesthetic taste;

审美情趣的世俗变化；

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The secular change of the obliquity of the ecliptic arises from the core-mantle coupling

核幔耦合引起的黄赤交角长期变化

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In this paper, we simulate the evolution process of cumulative Coulomb failure stress change(Δ CCFS) in North China since 1303, manifested by secular tectonic stress loading and occurrence of large earthquakes.

本研究给出了华北地区700年来由于长期构造加载及地震断层错动导致的累积库仑破裂应力变化（ΔCCFS）的演化过程。

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The temporal variation of it has secular change, seasonal variation, irregular variation, and other scales variation.

重力场的时变有长期变化 、 季节性变化 、 不规则变化和其他多尺度的变化.

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