会合周期
- 网络Synodic Period;synodical revolution;rendezvous period
会合周期-
天文年历和日历为业余天文学家提供了太阳会合自转周期的始时和经度Lo。
Astronomical yearbooks and calendars for amateur astronomers provide the times of the beginning of the synodic solar rotations as well as the longitudes Lo .
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会合的，会合周期的：与天体的会合，尤指某颗行星或月亮与太阳的两次连续会合的间隔有关的。
Relating to the conjunction of celestial bodies , especially the interval between two successive conjunctions of a planet or the moon with the sun .