This is the role of structures called telomeres that cap the ends of chromosomes.
这就是盖住染色体各端的端粒结构的功能。
Protect ends with capped self-locking washers incorporating a spring steel insert to ensure permanent retention of cap in exposed locations.
对外露端部的保护，可采用自锁螺帽加以弹簧垫，以确保螺帽持续牢固的预紧力。
Infants who are exclusively breastfed early in life are more likely by age 4 or 5 to have longer telomeres, the protective bits of DNA that cap the ends of chromosomes in cells.
生命早期接受母乳喂养的婴儿在4、5岁时端粒(给细胞中染色体末端‘带帽’，用以保护DNA的片段)可能更长。
For the cap of nanotube, it can be seen as the prolongation of the tube wall, therefore, the electronic structures of tube with capped ends are close to the tube with open ends.
研究表明纳米管帽的尺寸效应可以看成为一定长度管壁的简单延伸，揭示了含帽与不含帽纳米管电子结构之间的相似性。
For the cap of nanotube, it can be seen as the prolongation of the tube wall, therefore, the electronic structures of tube with capped ends are close to the tube with open ends.
研究表明纳米管帽的尺寸效应可以看成为一定长度管壁的简单延伸，揭示了含帽与不含帽纳米管电子结构之间的相似性。
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