被研究的每个人都有鲜明的种族特性，并且多数都是来自于那些已经在本族定居地生活了好几代的家族。
Each person studied had a clear-cut ethnic identity and in most cases came from a family that had lived in the group's homeland for generations.
新的标准证明，在儿童生长至5岁时各方面的差别更多地受到营养、喂养措施、环境以及卫生保健而不是遗传或种族特性的影响。
The new standards prove that differences in children's growth to age five are more influenced by nutrition, feeding practices, environment and health care than by genetics or ethnicity.
新的标准证明，在儿童生长至5岁方面的差别更多地受到营养、喂养方法、环境以及卫生保健而不是遗传或种族特性的影响。
The new standards prove that differences in children's growth to age five are more influenced by nutrition, feeding practices, environment, and healthcare than genetics or ethnicity.
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