Manufacturing high class red board, orange board, gray board and all kinds of high-mid class board. Widely used in shoes, luggage and related products.

骏威纸板厂是一家专业从事纸板生产的企业，公司生产高级酒红板、橙板、灰板及各种高中低档中底板。广泛用于鞋类，箱包及其它相关行业。

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Bubbles occur when the population develops an enthusiasm for a particular asset class, whether it be technology stocks in the late 1990s or houses in the mid-2000s.

无论是上世纪末90年代的科技股还是2000年代的房产，当人们对于某种特定的资产类别热情高涨时，就产生了经济泡沫。

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The majority of Chinese now fall in the 'mid middle class' category that can spend $5 to $10, a group whose numbers appear to have quadrupled between 1995 and 2007.

大多数中国人目前属于日开支在5美元至10美元的“中间中产阶层”，1995年至2007年间，这个阶层的中国人口增加了三倍。

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The in class mid-terms--the grades will be roughly 10% problem sets, 20% first mid-term, 30% second mid-term, 40% final.

期中那次是随堂考,在最后成绩中,习题成绩占10%,第一次期中占20%,第二次期中占30%,期末考试占40%

耶鲁公开课 - 金融市场课程节选

0% of the class will be on problem sets, 30% of the grade; 30% on the mid-term, and 40% on the final; so 30/30/40.

课堂作业占总分数的30%,期中考试占30%,期末考试占40%,即30/30/40

耶鲁公开课 - 博弈论课程节选

The mid-term will be held in class on October 17; that is also in your syllabus.

期中考试在十月十七日,教学大纲上也写了

耶鲁公开课 - 博弈论课程节选

And for the Europeans, it was clear that the Ariane 5 would become bigger and bigger, and so we needed a mid-class launch vehicle.

BBC: A rocket abroad - Soyuz in French Guiana

"Developing a mid-class launch vehicle in Europe would have cost between three and five billion euros, and building the Soyuz launch pad has been just - if I can say 'just' - around 400 million euros, " he explained.

BBC: A rocket abroad - Soyuz in French Guiana

My family has generally been in the mid to lower middle class.

FORBES: Why Is the U.S. Middle Class Unable to Defend Its Interests?