Half these genomes will be Chinese, but the institute's researchers intend to sample the full geographical range of humanity.

200个基因组中的一半将是中国人的，但是BGI的研究人员打算使样本能覆盖人类所在的整个地理位置分布。

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The Progress study looked at 149 travel businesses with a minimum turnover of $200 million. Almost half the sample turned over more than $1 billion a year.

Progress调查了最低营业额为2亿美元的149家旅游企业，近半数的受访企业每年营业额超过了10亿美元。

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Freeman and her colleagues likewise found that just as subjects with PMDD were especially prone to relapse, so were those subjects with a history of depression (about half the sample).

Freeman及其同事同样发现，正如PMDD被试特别易于复发，有抑郁史的被试(大约样本的一本)也是如此。

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Hughes sped from San Francisco to Livermore ("a 45-minute drive that took 20 that day, " he recalls) and left a half-bottle sample with the receptionist.

FORBES: Wine Workout

Its half-life the time taken for half the radioactive atoms in a sample to decay is 109 minutes, compared with two minutes for oxygen-15, ten minutes for nitrogen-13 and 20 minutes for carbon-11.

ECONOMIST: Case history: The power of positrons | The

Launch failures claimed nearly half of Russia's probes, including the ambitious Phobos-Grunt sample return mission last year.

MSN: History littered with failed Mars probes