为探讨微量元素与儿童骨量之间的关系，对330例健康儿童同时测定了骨密度和血微量元素锌、铜含量。

To evaluate the relation between trace elements and bone mass in children, blood zine and copper levels and bone mineral density in 330 healthy children were measured simultaneously.

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前言： 作为骨量测量“金标准”的双能X线吸收测定法（DEXA），近几年已被国外研究学者作为身体成分测量的新标准。

DEXA, as the"Golden Standard"for bone mass measurement, has been regarded as the new standard for body composition measurement in the recent years.

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