Previous studies suggest long-distance migrators—and even fruit flies—pick up magnetic fields with the help of a light-sensitive protein called "cryptochrome."
过去的研究认为长距离迁徙动物，在一种名为“隐花色素”的感光蛋白作用下能够感知磁场，即便是果蝇这样的生物，也同样如此。
It points out that high altitude hypoxia environment has some effect on human left heart function of both migrators and natives in varying degrees.
提示高原低氧环境对移居者和世居者的左心功能均有不同程度的影响。
Forest passerine migrators in the East of and the west of Heilongjiang province were observed and banded in the springs of 1998 and 1999. 6882 individuals of 71 species were banded .
1998年和1999年的两个春季，我们分别在黑龙江省的东部和西部两个环志站点，共环志鸟类71种，6882只。
Forest passerine migrators in the East of and the west of Heilongjiang province were observed and banded in the springs of 1998 and 1999. 6882 individuals of 71 species were banded .
1998年和1999年的两个春季，我们分别在黑龙江省的东部和西部两个环志站点，共环志鸟类71种，6882只。
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