He published widely in scientific journals.

　　他在科學期刊上廣泛地發表各類文章。

　　He took a very scientific approach to management.

　　他采取了一種非常科學的管理方法。

　　It's not a scientific way to test their opinions.

　　這樣檢驗他們的觀點不是一個科學的方式。

　　This falls under the heading of scientific research.

　　這一項屬于科研類目。