Sometimes, the side facing the Earth is the day side, and other times it is the night side: this is why we observe moon phases.
有时，面对着地球的是“白天半球”，其它时间则是“夜晚半球”：这就是我们为什么只能阶段性地观察月球。
Moon Phases is a free J2ME application that displays the current moon phase on your mobile phone.
月相是一个免费的J2ME应用程序，显示您的手机目前的月相。
The most popular functions among collectors are dual time-zones, moon-phases and chronographs.
最受收藏家欢迎的功能则是双时区、月相和计时器。
Patek Philippe platinum and diamond-set perpetual calendar chronograph wristwatch with moon-phases and leap-year indication, circa 2009, REF 5971P.
百达翡丽5971P型号铂金镶钻石手动上链万年历计时腕表，备月相盈亏及闰年显示，年份2009。
Patek Philippe Platinum And Diamond-Set Perpetual Calendar Chronograph Wristwatch With Register, Moon-Phases And Leap Year Indication, c. 1996, Ref. 3990P.
百达翡丽3990P型号铂金镶钻石手动上链万年历计时腕表，备月相盈亏及闰年显示，年份1996。
Patek Philippe Platinum And Diamond-Set Perpetual Calendar Chronograph Wristwatch With Register, Moon-Phases And Leap Year Indication, c. 2010, Ref 5971P.
百达翡丽5971P 型号铂金镶钻石手动上链万年历计时腕表，备月相盈亏及闰年显示，年份2010。
Patek Philippe Platinum And Diamond-Set Perpetual Calendar Chronograph Wristwatch With Register, Moon-Phases And Leap Year Indication, c. 2010, Ref 5971P.
百达翡丽5971P 型号铂金镶钻石手动上链万年历计时腕表，备月相盈亏及闰年显示，年份2010。
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