这颗行星是由美宇航局的开普勒星球追踪望远镜发现的。
The discovery was made by NASA's planet-hunting telescope Kepler.
这颗行星是由美宇航局的开普勒星球追踪望远镜发现的。科学家在周五出版的《科学》杂志上对此次发现做了详细描述。
The discovery was made by NASA's planet-hunting telescope Kepler. Scientists describe the find in Friday's issue of the journal Science.
宇宙飞船的位置可以根据追踪它的无线电信号来确定，也可以用望远镜和雷达来确定。
A spaceship's position can be located by following its radio signal, or by using telescopes and radar.
应用推荐