science的形容词英语怎么说

　　He published widely in scientific journals.

　　他在科学期刊上广泛地发表各类文章。

　　He took a very scientific approach to management.

　　他采取了一种非常科学的`管理方法。

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

　　这样检验他们的观点不是一个科学的方式。