For example, one study done at a community center in the U. S. had 1,071participants use an online program once a week for 10-minute sessions over a12-week period.

例如，一项在美国社区进行的研究共1,071位受试者使用一项在线程序，该程序每周有10分钟的课程，持续12周。

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For example, one study done at a community center in the U. S. had 1,071participants use an online program once a week for 10-minute sessions over a12-week period.

例如，一项在美国社区进行的研究共1,071位受试者使用一项在线程序，该程序每周有10分钟的课程，持续12周。

youdao