The Stop TB Partnership has set two additional impact targets, which are to halve prevalence and death rates by 2015 compared with their level in 1990.

遏制结核伙伴关系确定了两项额外的影响目标，即到2015年使患病率和死亡率与1990年水平相比减少一半。

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With fewer than 50 days to the Olympic Games, Chinese authorities on Friday announced plans to almost halve the number of cars on the capital's roads for a two-month period.

现在距离奥运会开幕还有不到50天，中国有关部门上周五公布了车辆限行措施，北京机动车将在奥运期间按单双号行驶，限行期限为两个月。

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The new Office software production enterprises can enjoy the former two-year income tax exemptions and later six - year halve.

新办软件生产企业享受企业所得税两免三减半的优惠。

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The HS2 phase two would virtually halve journey times between Birmingham and Manchester - to 41 minutes - and between London and Manchester from two hours and eight minutes to one hour and eight minutes.

BBC: HS2 legislation outlined in Queen's Speech

The Department for Transport said that HS2 phase two would virtually halve journey times between Birmingham and Manchester - to 41 minutes - and between London and Manchester from two hours and eight minutes to one hour and eight minutes.

BBC: HS2: High-speed rail route phase two details announced

Two UK development agencies, Tearfund and WaterAid, said the agreement to halve the number of people without access to sanitation was "the first milestone in a long fight to halt the millions of deaths caused by preventable disease".

BBC: Faint praise for faltering summit