7% 77% is class average and the standard deviation was 17% so you can see where things lie. 50% is a pass.

7是平均水平，标准偏差是%,这就是事情所在，50%就及格。

麻省理工公开课 - 固态化学导论课程节选

We do expect the majority of the students to tackle, as you'll see tonight when the PDFs go online at 7 PM, the so called standard edition of each problem set.

我们希望你们大部分能解决这些问题，你将会看到我们下午7点钟,会把PDF放到网上去，也就是每套问题的标准版本。

哈佛公开课 - 计算机科学课程节选

It said just 19 miles out of the total of 147 met the required design standard of 7.3 metres width.

BBC: Government commits to A9 dualling

However, experts say that the oil industry would naturally be at odds with the proposal for an increased renewable fuel standard, particularly since it only reluctantly accepted the current standard of 7.5 billion gallons of renewables by 2012.

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The PCAOB approved Auditing Standard No. 7, Engagement Quality Review on July 28, 2009.

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