system的形容词和副词是？

systematic adj. 系统的；体系的；有系统的；

systematically adv. 有系统地；有组织地；

例句

They commenced a systematic search.

他们开始了系统的搜查。

The search was carried out systematically.

搜查已按照部署执行。

What does a systematic advertising plan look like?

一个系统化的广告计划是什么样的呢？

To succeed, you\'ve got to develop a systematic approach.

为了成功，你必须建立一个系统的方法。

In order that training should be effective it must be planned systematically.

为使培训有成效，必须有系统的计划。

Selective schools don\'t systematically employ better instructional approaches than less selective schools.

精英学校并没有系统地采用比普通学校更好的教学方法。