两端气体推动的样品管 dual gas-driven sample tube
它主要由一钢制长方体和固定在其两端的两个相同直径的钢制圆柱体组成。
It is mainly composed of a steel rectangular parallelepiped and two steel cylinders of the same diameter fixed at its two ends.
我们身体中的大部分细胞都含有叫作染色体的DNA分子长链。染色体在其两端有保护帽，叫做端粒。
Most of the cells in our bodies contain long molecules of DNA called chromosomes that have protective caps at either end called telomeres.
本文在分析其中的每个方面时，将提供倾向于粒度连续体两端的总体指南。
As you examine each aspect here, you get general guidance as to the tendencies toward each end of the granularity continuum.
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