每个月检查一次血压。
医学博士斯蒂芬·韦伯斯特是明尼苏达大学医学院的皮肤学临床教授，他建议男性每个月检查一次自己身上看不见的地方有没有痣。
Examine your hide for moles once a month, says Stephen Webster, M.D., a clinical professor of dermatology at the University of Minnesota's school of medicine.
在怀孕前28周内，最好每个月都看一次医生，然后到36周前每隔两周看一次医生，36周后开始必须每周都要去医生那儿检查一次。
Ideally, you should see your doctor once each month for the first 28 weeks of your pregnancy, then every 2 weeks until 36 weeks, then once a week until you deliver the baby.
答：我在火车站工作，工人每个月做一次检查。
A: I work at a train station, and every month they test their workers.
根据你的站点的活跃性以及在搜索引擎上的增加排名的需要，你需要至少每个月都做一次这样的检查，或者至少一年三次。
Dependent upon your site's activity and need to grow in search engine rankings, this should be done monthly, or at least three times a year.
每年执行一次全面的GMP检查，另外，每个月执行一次GMP系统的部分检查。
A full general GMP inspection is carried out in each year. In addition, inspections for parts of GMP system will be carried out every month.
每年执行一次全面的GMP检查，另外，每个月执行一次GMP系统的部分检查。
A full general GMP inspection is carried out in each year. In addition, inspections for parts of GMP system will be carried out every month.
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