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- The hard, siliceous bivalve shell of a diatom. 硅藻细胞壳硅藻的坚硬含硅的硬壳
- The hard,siliceous bivalve shell of a diatom. 硅藻细胞壳硅藻的坚硬含硅的硬壳
- A knoblike protuberance arising from a surface,as the prominence near the hinge of a bivalve shell or the projection at the scale tip of a seed-bearing cone. 圆形隆起，在一个表面突起的圆形装饰物似的隆起，如在双壳贝类贝壳边缘附近的突起或在含种子的球果顶端的突起。
- A knoblike protuberance arising from a surface, as the prominence near the hinge of a bivalve shell or the projection at the scale tip of a seed - bearing cone. 圆形隆起在一个表面突起的圆形装饰物似的隆起，如在双壳贝类贝壳边缘附近的突起或在含种子的球果顶端的突起
- A knoblike protuberance arising from a surface, as the prominence near the hinge of a bivalve shell or the projection at the scale tip of a seed-bearing cone. 圆形隆起在一个表面突起的圆形装饰物似的隆起,如在双壳贝类贝壳边缘附近的突起或在含种子的球果顶端的突起。
- In the present paper the microstructure of nacre of bivalve shell is investigated by SEM and TEM.It is shown that in the nacre the neighbor aragonite laminae interpose perfectly. 本文利用扫描电镜原位观察了受拉伸载荷作用下珍珠层中裂纹的萌生及扩展方式,并结合SEM和TEM技术研究了贝壳珍珠层微观组织结构,探讨了裂纹扩展过程中的增韧机制。
- The investigations of crystal structure of nacre from bivalve shell were done and it is proposed that there is a domain structure of crystal orientation in the nacre. 在对珍珠层晶体结构的研究中,发现珍珠层中文石单晶间存在一定的取向关联。
- tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell. 微小的海水及淡水甲壳动物，身体象虾，双壳。
- marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food; found worldwide. 有双壳的海生动物，有一对带有触须用于捕食的臂；世界各地均可见到。
- marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food; found worldwide 有双壳的海生动物，有一对带有触须用于捕食的臂；世界各地均可见到
- marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food; 有双壳的海生动物，有一对带有触须用于捕食的臂；
- Keep down of you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- The snail retreated into its shell. 蜗牛缩进壳里去了。
- A shell splinter embedded itself in the wall above his head. 在他头上方的墙壁上嵌有一块小小的贝壳片。
- The building was burned to a shell. 大楼被烧得只剩下空骨架。
- The despair left him a mere shell of a man. 他陷入绝望，形同躯壳。
- She crumbled an empty snail shell in her fingers. 她用手指捏碎了一个空蜗牛壳。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
- Keep down or you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- The building was destroyed by an artillery shell. 这座建筑物被炮弹炸毁了。
