定期

• The doctor visits his patients at their homes at regular intervals .
  那医生定期到病人家出诊。
• They require regular health examinations for school children .
  他们规定为学童定期作体格检查。
• Celia, who also gave regular lectures, was well liked .
  西莉亚也定期去讲些课，大家都很看重她。
• Often, the pcv filter does not receive regular maintenance .
  一般来说，PCV滤清器不需要定期维修。
• He sat regularly in consistories dealing with legal matters .
  他定期召集宗教会议，处理法律问题。
• Inspectors periodically check wiring, heating plants and chimneys .
  检查员定期检查电线系统，暖气设备和烟囱。
• We met regularly, and to a large extent, pooled our information .
  我们经常定期聚会，基本上汇集了我们的情报。
• The strip shields also have the disadvantage of requiring regular cleaning .
  片状冷却片也有缺点，就是需要定期清洗。
• Only bearings and extension joints need to be controlled at regular intervals .
  只有支座和伸缩缝需要定期检查和调整。
• A savings account ( fixed ) means that money can not be withdrawn without notice .
  定期存款如果不事先申请是不能取的。