Change of rhizosphere effect was another important factor of population decline.

根际效应的改变是引起差巴嘎蒿种群衰退的又一重要因素。

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This article makes analysis of the factor of population in Qinghai-Tibet Plateau, and the mechanism of the formation of population and environment problems in this area.

本文就青藏高原地区的人口因素及其对该区域人口环境问题形成的机制进行了分析。

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If you look in the normal population and ask what fraction of people have [a defect in methylation in the gene encoding insulin-like growth factor 2] it's about 5 percent.

如果你观察普通人群，调查多少比例的人有[胰岛素类生长因子2基因编码甲基化的缺陷]，大概是百分之5。

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DoCoMo estimates that the number of devices in Japan which might be linked in this way exceeds the human population by a factor of five.

ECONOMIST: Not just talk? | The

Factor in a gay population of 8% to 10%, and the odds were massively, groaningly in your favor.

WSJ: Rob LaZebnik's Message for the Class of 2013 | Saturday Essay

Former President Mohammad Khatami's support for greater social and political freedoms made him popular with the young - an important factor as around half of the population is under 25.

BBC: Iran profile