The study, being published Monday in the American Journal of Psychiatry, suggests that, under rigorous examination, many more children may be affected than previously suspected.

研究人员周一报告称，韩国一项严格全面的研究表明，在美国和其他国家，自闭症的患病率可能比之前预想的要高很多。

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London taxi drivers were voted both friendliest and most knowledgeable. Drivers in the English capital must pass a rigorous examination called the knowledge to earn their taxi license.

伦敦计程车司机在服务态度和路线熟悉程度两项的评选中名列榜首。伦敦的计程车司机在从业前必须通过一项严格的“知识”考试方可拿到出租司机驾照。

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On the second visit he performed a physical examination so rigorous and thorough that one patient told him in awe, "I have never been examined that way before."

第二次来访时，他为患者做非常严格彻底的身体检查，所以一名患者敬畏地告诉他，“我过去从没有这样被检查过。”

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My study was admittedly limited, more of a back-of-the-envelope estimate than a rigorous examination.

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The rub is obviously the painstaking research that goes into identifying such companies, including rigorous examination of their management teams.

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He told BBC1's Andrew Marr show that other countries had more rigorous examination regimes and schools in the UK needed to catch up.

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