But the aviation industry has set itself a tough target: a 50% reduction in fuel consumption by 2020, to cut CO2 emissions in half.

但是航空业已经给自己下了一个严格的目标到2020年燃油消耗量下降50%并减少一半的二氧化碳排放量。

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Humanity's greatest accomplishment of the past five decades, declared Bill Gates this week, is the reduction in the number of deaths among young children by half, to 10m a year in 2007.

本周，比尔·盖茨宣布，2007年全球儿童死亡人数为1000万人，较半个世纪前减少了一半，这不愧为人类在过去50年当中所取得的最伟大的成就。

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New figures from the British Association of Aesthetic Plastic Surgeons are expected to show that the number of men opting for breast-reduction procedures last year rose by nearly half.

英国整型外科医师协会新发布的数据将显示，去年选择进行缩胸手术的男性人数增长了几乎一半。

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These reductions were due mainly to a reduction by almost half in the proportion of adenocarcinomas that had metastatic disease.

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Such efforts could, if unchecked, lead to the reduction of funding by a half billion dollars during FY06 that the Army itself describes as critical for the development of FCS to test it at Joint Expeditionary Force Experiment 2006.

CENTERFORSECURITYPOLICY: Congress should build the ��future combat system��

By age 60, about half of people will experience a reduction in their ability to smell, and by age 80, about three-fourths will, Dr. Hirsch says.

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