通过在显微镜下观察这些毛囊，他们看到了何时干细胞变异为其他细胞以及这些变异如何与毛发变白联系在一起。
By looking at the hair follicles under microscopes, they saw when the stem cells turned into other cell types and linked the change to the graying hair.
在显微镜下观察的话，你会发现鱼类、禽类和其他肉类的肌肉看起来差不多，都有长长的平行纤维，像绳子一样紧紧绕在一起。
Under a microscope, fish, chicken and other meat muscles look similar, with long, parallel fibers, like ropes, stretched out and tied together.
所有这些因素加在一起提供了能够比现有荧光显微镜更迅速测量的荧光显微镜。
All these factors together provide a fluorescence microscope capable of much more rapid measurements than the existing fluorescence microscopes.
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