perihelion is的意思

近日點

perihelion───n.[天]近日點；最高點

perihelian───佩里希期

periclines───圍斜構造

perihelia───n.近日點；最高點(perihelion的變形)

perihelial───周

perihepatitis───[內科]肝周炎

periselenia───周硒癥

peripheral units───[計]外部設備；[計]外圍設備

periastrons───n.[天]近星點

The Q is - do you mean Pluto in its aphelion or perihelion ?───的問題是，冥王星此時是在近地點還是遠地點？

point in the orbit nearest the sun is called perihelion, while the point farthest is called aphelion.───在軌道上最接近太陽的點被稱為近日點，而最遠離太陽的點被稱為遠日點。

The anomalistic year is the time between successive transits of the Earth through the perihelion.───近點年是地球連續兩次通過近日點之間的時間。