那医生定期到病人家出诊。

The doctor visits his patients at their homes at regular intervals.

《新英汉大辞典》

在时间上也是可行的，因为电子书的读者需要定期登陆到核心系统里。

Timeliness is also possible, since digital readers require users to log in to a central system periodically.

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公司越来越认识到，运用定期、临时或兼职合同聘用人才的好处。

Companies increasingly appreciate the benefits of employing people on fixed-term, temporary or part-time contracts.

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Recognizing this problem, the insurance commissioners in the various states have decided to form an organization, that's the NAIC, and they hold regular conferences.

在意识到这个问题的时候,各州的保险监督官,就决定去建立一个组织,就是美国保险监督官协会,并定期开会

耶鲁公开课 - 金融市场课程节选

A public--a lot of companies don't want to be public because you can't keep secrets very well; you've got to regularly put those things up online and they're out there for everybody to see.

很多公司不愿意上市,因为这样就无法保守公司机密,你必须定期把公司信息公布到网上,让全世界都看得到

耶鲁公开课 - 金融市场课程节选

I know this is true, that is, I know I have the reputation, both because I periodically in my student evaluations get told I'm one of Yale's harsher graders, and because every now and then the Yale Daily News will have an article about grade inflation and they'll always ask me, " ... Well Professor Kagan is somebody..."

这是真的，而我之所以有这样的名声,是因为在学生定期评估时,我被告知自己是耶鲁最严厉的人之一，还因为那不时出现的耶鲁日间新闻,有篇文章会谈到关于成绩膨胀的事,人们总会问我“,卡刚教授“

耶鲁公开课 - 死亡课程节选