29%的“隐形风险”人群在三项测试中得分较高：他们每天花在电子设备上的时间超过5个小时。

29%, the "invisible risk" group, scored high on three in particular: They spent five hours a day or more on electronic devices.

youdao

通常会有几个回合，一次测试可以持续2到3个小时！

There are normally several rounds, and a quiz can go on for 2 to 3 hours!

youdao

所以，将这个用例的测试目标设置为每小时 12738 个事务。

The test target of this case was set at 12738 transactions per hour.

youdao

A food frequency--by the way, you also have the issue of whether the particular twenty-four hours that a person is interviewed is representative of their diet overall, because you can imagine how much your food intake varies from day to day.

食物摄取频率,顺便说下,还有一个问题,就是在选取的24小时里,测试者,是不是对总体有代表性,因为你可以想象,每天事物的摄入量都是不同的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选