science的形容詞英語怎麼說

　　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.

　　他採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。