基本解釋靜重力英漢例句雙語例句Two of the questions are "At what location between the Earth and Moon does the net gravitational force on a spaceship become zero as it travels between the two bodies?"其中的兩個問題是：太空船在地球和月球之間航行時，處于什么位置的時候太空船所受到的凈引力為零？blog.sina.com.cnnet gravitational force更多例句專業(yè)釋義土木建筑工程靜重力