1.Block copolymers have rich phase behavior,and in the bulk they can microphase-separate to form spheral,cylindrical,bi-continuous or layered structure.
嵌段共聚物有着丰行为,在本体中会发生微分离形成球形、柱形、双连续形和层状结。
2.The acrosome in the head was spheral in shape, and there was only one mitochondria in the mature sperm.