observation and theory造句

例句与造句

1. Astronomical observation and theory provide some general clues
   天文观测和理论提供了几条一般性的线索。
2. In an age of increasing specialization , she maintains a broad range of interests , from interstellar gas to quasars to dark matter , spanning both observation and theory
   在这个各领域越来越讲究专精的年代，她仍保持广泛的研究兴趣，从星际气体到类星体到暗物质，并且横跨了观测与理论的研究。
3. It's difficult to find observation and theory in a sentence. 用observation and theory造句挺难的