Optical variability is a common property of AGNs, Which provides a potentially powerful tool to probe the physics of AGNs.
光变是活动星系核（AGN） 的共同特征， 光变规律的研究已成为人类探索活动星系核物理的有力手段。
In this paper, using disk-instability model and starburst model, the AGN optical variability and spectral slope variability are simulated and confronted with observations.
本文中我们利用盘不稳定模型和星爆模型的基本思想，模拟活动星系核在光学波段的光度和光谱斜率变化，并将模拟的结果和观测进行比较。
In addition, an analysis was made on the relationship between the temporal variability of bio-optical properties and the physical parameters.
在此基础上，讨论了生物-光学变异性与海洋物理过程的关系。
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