"chromosomes are distributed by spindles in mitosis and meiosis"
"the spike pierced the receipts and held them in order"
1.(机器的)轴,心轴
Aspindle is a rod in a machine, around which another part of the machine turns.
2.(手纺用的)绕线杆
Aspindle is a pointed rod which you use when you are spinning wool by hand. You twist the wool with the spindle to make it into a thread.
1. <纺锤体>:核仁和核膜完全消失,纺锤体(spindle)明显可见. 从细胞的侧面观察,各个染色体的着丝点均排列在纺锤体中央的赤道面上,而其两臂则自由地伸展在赤道面的两侧(图mitosis-metaphase-cemianguan). 此时,染色体具有典型的形状,
2. 轴:前言 线切割加工技术(WEDM)在众多的工业生产领域如模具制造业、汽车制造业、航空航天制造业等起到了重要的作用. 要制作一台省略其次要结构与技 术环节的低速走丝电火花线切4.可能原因:主轴(spindle)转动2.可能原因:钻针的尖点偏心或钻刃(Lip)宽度不对