染色体的主缢痕，使姐妹染色单体连在一起，在其两侧各有一个由蛋白构成的动粒。
Centromere --- The primary constriction on the chromosome, a region at which the sister chromatids are held together and at which the kinetochore is formed.
这些凋亡细胞会呈现出不同程度上的染色体臂解凝集，此时的动粒还与纺锤体的微管结合。
The dying cells exhibited progressive chromosome arm decondensation while the kinetochores were still associated with spindles.
这个商人购买第一批三十粒珍珠时捻动着他的胡须。
The merchant twirled his moustache as he purchased the first thirty pearls.
试验结果表明，不仅干密度影响动强度，粘粒含量和粉粒含量变化对动强度影响也较大。
It is proved that not only dry density but also the particle content change of clay content and silt content affect liquefaction strength.
在动载三体磨粒磨损条件下，试验研究了冲击载荷的变化对铸态复相耐磨钢动载磨粒磨损特性的影响。
The influence of varying impact energy on wear resistance of dual phase cast steel has been investigated under impact three body abrasion.
当粘粒、粉粒含量变化时粉土的动强度、振动孔压性状及液化后变形特性等问题都值得深入研究。
It is still deserved to study the liquefaction strength and dynamic pore water pressure and post-liquefaction character of silt when the clay particle content and silt particle content change.
喷动流化床用于粉体造粒，是一种新型造粒方法。
喷动流化床用于粉体造粒，是一种新型造粒方法。
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