1) Spermiogenesis
[英][,spə:miəu'dʒenisis] [美][,spɚmio'dʒɛnɪsɪs]
精子形成
1.
An Ultrastructural Study of Sperm and Spermiogenesis in Eisenia anderi;
安得爱胜蚓精子及精子形成的超微结构
2.
A Preliminary Study On Spermiogenesis of Limnonectes fujianensis;
福建大头蛙(Limnonectes fujianensis)精子形成的初步研究
3.
Ultrastructure of anterior vesicle and pit of sperm nucleus during spermiogenesis in Janpanese flounder Paralichthys olivaceus
牙鲆精子形成及核前区特殊结构的超微观察
2) spermatogenesis
[英][,spə:mətəu'dʒenisis] [美][spɚ,mætə'dʒɛnɪsɪs, ,spɚmətə-]
精子发生;精子形成
3) spermiogenesis
[英][,spə:miəu'dʒenisis] [美][,spɚmio'dʒɛnɪsɪs]
精子形成，精细胞变态
4) precision forming
精成形
1.
The research and design of plastic precision forming roller machine;
辊压塑性精成形机的研制和开发
2.
Thus, roll-forging can not be applied in precision forming, which is an important problem in the research field of successive partial plastic forming.
在传统的辊锻工艺中,坯料轴向处于自由状态,在辊锻过程中因必然产生坯料的前滑后移,而且无法控制温度和摩擦的影响等,致使辊锻不能精成形,这是连续局部塑性成形研究领域所关注的重要难题。
5) precision forming
精密成形
1.
Designing of semifinished product for spur gear precision forming;
齿轮精密成形精整毛坯设计
2.
Principle of precision forming for sandwich panel of large antenna reflector;
反射器夹层面板精密成形原理
3.
It was presented that a new precision forming technology of car steering knuckle in this paper.
文章提出了轿车转向节精密成形新工艺。
6) precise forming
精密成形
1.
The research and development of the digital precise forming system;
数字化精密成形系统的研究与开发
2.
In order to simulate the precise forming of a double curvature panel based on "nails die, vacuum and honeycomb sandwich" by the finite element method, a simplified mechanical model for the two forming phases is established.
为了实现基于“点阵钉模、真空负压、蜂窝夹层”的双曲度面板精密成形过程的有限元数值模拟 ,分析了成形 2个阶段的变形过程 ,建立了简化的力学模形 ,以一种广义协调薄板弯曲四边形位移单元为基础构造了具有公共横向位移自由度的几何非线性四边形四节点分别考虑和不考虑横向剪切的多层板单元 ,通过牛顿 -拉斐逊法结合载荷、位移约束量的增量法求解几何非线性方程 ,较好地再现了真实成形过
补充资料：精子形成
精子形成
指从精细胞形成精子的过程。精细胞乃精母细胞的减数分裂产物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条