out of seven的意思|示意

This tuition—compared, as before, with whatever biology classes and playgrounds provide—reduced the number of pregnancies in three out of seven trials (the remaining four recorded no difference).

这次调查——像以往的一样包含了所有的生物课上以及社会小组的预防工作（请高人赐教，这是我猜的）——显示七组中的三组里怀孕率降低（另外四组没有变化）。

We focus our attention on seven types of advertising: television, newspapers, radio, magazines, out-of-home, internet, and direct mail.

我们的注意力通常会被七种类型的广告吸引：电视、报纸、广播、杂志、户外海报、互联网和广告直邮。

He was in a new team winning six out of the first seven RACES.

他在一个在七站比赛中取得了六站胜利的新团队里。

They made the board too shiny, reflecting the lights, and fidgeted and coughed until he cleared out the first seven rows of the audience.

他们使棋盘产生强烈的反光，他们不停的挪动和咳嗽，一直到鲍比·菲舍尔清除了前七排的观众为止。

All instruments required that B-criteria co-occur with the mood episode, except KSADS-PL, which considered five out of the seven symptoms.

所有诊断工具都需要B-标准和心境发作一同出现，但除了KSADS-PL只是要求七项症状中的五项。

One disincentive involves reducing unemployment benefits to people who have not spent seven out of the previous eight years in Denmark.

其中一项抑制措施是对那些过去八年里没有在丹麦居住满七年的人减少失业救济。