Energy change ratio is a synthetical index to evaluate the utilization efficiency of agricultural resources.

能量转化效率是评价农业资源利用效率的一个综合性指标。

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These firms often lack adequate internal IT resources — with the full-time IT staff to employee ratio hovering around 50:1.

这些企业往往都缺乏足够的内部IT 资源— 全职IT 员工与员工之比在50：1 左右徘徊。

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The reuse ratio of water resources is increased by enlarging the supplement storage capacity of underground aquifer and based on the three related water transfer law.

依循三水转化规律，人工强化回灌，加大地下含水体的反调节能力，大大提高水资源的重复利用率。

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Brazil also has a generous land to people ratio, with a large basket of natural resources, including petroleum, for a population that is relatively small (200 million) compared to China and India.

CNN: Does Brazil deserve its 'B' for BRIC?

Cliffs Natural Resources (NYSE:CLF) has short interest of 25.80% and a high short ratio of 2.3.

FORBES: First Solar Shows Textbook Short Squeeze In Effect

The use of cellulose and cardanol, both plant resources, as the plastic's primary components produces a plastic that features a high plant component ratio of more than 70%.

ENGADGET: NEC builds a better bioplastic from plant stems and cashew nut shells