index是什么意思？

The average international runway model has a body mass index ( ' , BMI) under 16—low enough to indicate starvation by the World Health Organization's standard.

Despite having a brain no bigger than the tip of your index finger, pigeons have a very impressive visual memory.

In one US study that analysed the health data of 50,000 people over seven years, researchers found that those who made breakfast the largest meal of the day were more likely to have a lower body mass index BMI than those who ate a large lunch or dinner.

The average international runway model has a body mass index BMI under 16—low enough to indicate starvation by the World Health Organization's standard.

The 2010 Global Hunger Index report was released today by the International Food Policy Research Institute ( ' , IFPRI).

Of course, no index can account for everything.

For one thing, our index backs up a simple but profound statement made by Hillary Clinton at the recent Asia-Pacific Economic Cooperation summit

But there is also time for brief diversions onto bizarre ground, such as a discussion of the skyscraper index (which holds that a boom in skyscraper construction is a foolproof sign of an imminent recessio.

But the consumer sentiment index remains weak, and all the rebound has occurred in Americans' evaluation of future economic conditions, not the present

Older adolescents scored about 50 percent higher on an index of risky driving when their peers were in the room — and the driving of early adolescents was fully twice as reckless when other young teens were around.

The 2010 Global Hunger Index report was released today by the International Food Policy Research Institute.