The world's food system is responsible for about one quarter of the planet-warming greenhouse gases that humans produce each year.

人类每年产生的温室气体中，约有四分之一是由世界的食物系统产生的。

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The system uses high quarter wages to calculate WBA.

系统使用高四分之一工资数据来计算WBA。

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OUE activities are scheduled through the second quarter of 2011 and include additional flights and system tests at Eglin Air Force Base, Fla.

业务效用评估预计在2011年第二季度进行，其中包括在佛罗里达州埃格林空军基地进行额外的飞行及系统测试。

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In the most recent quarter the system helped it shave a day off its already low average inventory time to five.

FORBES: Evolution, not revolution

Though ministers say they have no immediate plans to do so, rail boosters fear the spectre of Dr Beeching, the man who axed nearly a quarter of the system 40 years ago.

ECONOMIST: Railways

All the same, the proportional system for choosing a quarter of the seats, which allowed so many of those midgets to get into the last parliament, is still untouched, storing up instability for a time when the balance of power between the big blocks once again becomes more delicate.

ECONOMIST: Bad habits die hard