parallax method造句

例句与造句

1. Although mercury has 13 or 14 transits every century , it was not a suitable candidate for either halley ' s parallax method or the variations devised by later astronomers
   水星虽然每百年会发生13 ~ 14次的凌日，但却不适用于哈雷的视差法或后来天文学家的其他改良方法。
2. It's difficult to find parallax method in a sentence. 用parallax method造句挺难的