synodic revolution[天] 会合周
SYNODIC LUNATION朔望月
synodic year[天] 会合年
synodic period[天] 会合周期;朔望周期
synodic c会合的
synodic month[天] 朔望月;阴历月份;朔望月
synodic rotation[天] 会合自转周
synodic motion[天] 会合运动
ADJ(形容词) relating to or involving a conjunction or two successive conjunctions of the same star, planet, or satellite (天体)会合的
the synodic month