这些齿轮的转动并不仅仅能显示出月相。
The many gears not only moved in a way that could indicate the phases of the Moon.
根据美国出版商协会的研究报告显示，电子书2月销售额总计9千零三十万，与上年同月相比，上涨了202个百分点。
E-book sales totaled $90.3 million in February, up 202% compared to the same month a year earlier, according to a study from the Association of American Publishers.
它允许选择显示的天数和选择日期的月相显示。
It allows selecting number of days to show and selecting date to show moon phases from.
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