例句與造句

1. :: : : : ( not directly related to the original question, but still ) No, you're right, Dirk, automatic star tracking doesn't use the small telescope ( often called a " finder scope " )-how it works is that the computer knows where every star is at any point in time ( a very easy thing to store, as stars don't move relatively to each other, and the Earth's rotation is very well known ).
2. It's difficult to find automatic star tracking in a sentence. 用automatic star tracking造句挺難的