The first is an automatic, metabolic system whose control is centered in the brain stem.

第一种是自发的新陈代谢系统，它的控制集中在脑干上。

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The cartel's producers, which control 40 percent of global exports, could curb their output by about a million barrels a day to try to stem the drop in prices, according to analysts.

石油输出国组织控制了全球40%的石油出口，一些分析家认为，为了抑制油价下跌，该组织成员会将石油日产量削减100万桶。

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"Most businesses appear to have Conficker under control," he said. "They've applied patches and updated their anti-virus software to stem the spread of the worm."

大多数公司看来Conficker已得以控制“他说道，”他们给软件打好了补丁，升级了防病毒软件以遏制蠕虫的传播。

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Doctor Kakarala says the cancer-fighting treatments known as chemotherapy do not control tumors containing cancer stem cells.

VOA: special.2010.06.01

All the goods of civilization, Hobbes tells us, stem from our ability to control pride.

霍布斯告诉我们说，文明之所以文明，源自于我们对追求荣誉之心的克制。

耶鲁公开课 - 政治哲学导论课程节选

The disappearance of cancer stem cells,then, is important for cancer control.

VOA: special.2010.06.01

Castrated rats treated with testosterone had significantly reduced heart damage and near-control stem cell and protein levels, the study found.

WSJ: Protein in the Brain May Affect Adaptability

However, the development of reproducible methods to control stem cell growth and differentiation is still a challenge and major studies are needed before stem cells can be widely used for therapeutic purposes.

UNESCO: 2010 UK and Ireland Winners

The amendment would grant full legal protection to embryos and foetuses and could outlaw some forms of birth control, stem-cell research and possibly in vitro fertilisation.

BBC: North Dakota introduces toughest abortion law in US