英语词汇“會合周期”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	會合周期
释义	會合周期 huì hé zhōu qí从地球上看行星、月球与人造卫星等太阳系内的天体，回到相同位置所需的时间。如行星的会合周期，是地球和行星在绕太阳运转时，地球赶上其他行星或运动较快的水星和金星赶上地球所需的时间。
随便看	port project port protection port protection device port public company Port puffy tumour port pump port pump, harbor pump port quarantine port quarantine service port quarter portra port radar port radar installation port radio station Port Radium port rail port railroad port railway portraint portrait portrait attachment portrait brick portrait camera portrait cameras portrait characteristic