双历手表 day and date watch ; [仪] calendar day and date watch
皇家鹰双历表 Royal Eagle Day & Date
机械化和信息化建设双重历史任务 the dual historic tasks of military mechanization and full IT application
双历调整器 double corrector
双历男士手表 double calendar men's watch
瞬跳双历机构 instantaneous date and day mechanism
双子日历 Gemini Calendar
双日历 day-date
民族的双重历史 Double History of a Nation
对单个历元的双差载波相位观测方程进行零空间变换，避免了实时变化的三维位置参数求解；
It transforms the double-differential carrier observation equation using null space transformation so that it need not to resolve real-time three-dimensional position parameters.
在家委会和校领导沟通后，一年级没有拿到校历的班级很快拿到校历，虽然学期已经过半，而且很多活动只限双花园校区，但是有总比没有好！
Finally the first grade parents got the school calendars as well, although it's already mid-term, to have one is still better than none!
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