Gaps are left in life through which cnes the sad music of death.

生命中留下许多间隙，从中传来死亡的伤感乐曲。

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Study of comparative genomics has revealed that about 5% of the human genome are under purifying selection, 3.5% of which are conserved non-coding elements (CNEs).

比较基因组学的研究发现： 人类基因组中约5%的序列受到选择压力的限制， 但编码序列只占其中很小一部分， 约3.5%是保守、非编码序列。

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A joint mission between NASA and the French Centre National d'Etudes Spatiales (CNES), CALIPSO carries a pulsating laser (lidar) that sends short pulses of light through the atmosphere.

作为美国国家航空航天局和法国国家太空研究中心(French Centre National d'Etudes Spatiales,CNES)的一项联合任务，CALIPSO卫星携带着一部脉冲激光器(激光雷达)，向大气中发射短脉冲激光。

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The Corot mission is led by the French space agency (CNES), with contributions from Esa, Austria, Belgium, Germany, Spain and Brazil.

BBC: Telescope sees smallest exoplanet

Quite how much time there was to act before conditions became intolerable was not yet clear, said Christophe Bonnal from the French space agency (Cnes).

BBC: 'Urgent need' to remove space debris

One of the shots released by the French space agency (Cnes) is of central Paris, showing the Louvre and the Place De La Concorde - "naturellement".

BBC: Sharp-eyed Pleiades returns first pictures