Some stars being watched have very variable brightness. That is confusing for computers, but for human eyes is less of a problem.
一些观测中的恒星亮度变化较大，这对于计算机来说难以把握，但是对于人眼却不成问题。
On the Fenix, there are four brightness levels on the UI, with a variable-frequency strobe mode accessible by simply holding down the silver side button.
在菲尼克斯，有四个的亮度界面上，可以通过简单的方式闸门变频压低人民币银侧按钮。
On the Fenix, there are four brightness levels on the UI, with a variable-frequency strobe mode accessible by simply holding down the silver side button.
在菲尼克斯，有四个的亮度界面上，可以通过简单的方式闸门变频压低人民币银侧按钮。
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