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- Detail of Haversian system, showing the tiny, spidery canaliculi extending from one lacuna to the next. 高倍观察哈佛氏系统结构，可见如蜘蛛般结构的骨陷窝和骨小管彼此相连通。
- Blood vessels on the bone surface reach into the center of each Haversian system supplying the bone cells. 在骨骼表层的血管进入每个提供骨细胞的哈弗斯系统的中心。
- SEM indicated that the microstructure of Haversian system was destroyed under the impact of bone diagenesis. 其骨组织的显微结构分析指出，成岩作用业已严重破坏了骨骼的哈佛氏系统结构。
- Objective To explore the differences in Haversian system between human and animal bones through imaging analysis and morphology description. 摘要目的探讨人与狗、猪、牛、羊长骨的哈氏系统的形态特点、图像分析特点及其鉴别要点。
- Haversian canals, which run through the center of each Haversian system, contain the blood and lymphatic vessels supplying the bone. 穿过每个哈弗斯系统中心的哈弗斯管，包含了供应给骨骼的血液以及淋巴血管。
- There were significant differences in the shape, size, location, density of Haversian system, between human and animal bones. 人与狗、猪、牛、羊骨的哈氏系统在形状、大小、分布位置、均匀程度等方面存在明显差异；
- In life these canaliculi held the processes of osteocytes thus permitting diffusion of nutrients from the central blood vessels to the outer lamellae of the Haversian system. 生活状态下，这些腔内有骨细胞和其突起，，这些结构可使营养成分由中央管向外周扩散，营养整个哈佛氏系统内的骨细胞。
- As successive lamellae are laid down, the cavity will gradually grow smaller, until eventually a new Haversian system with a narrow central canal will be formed. 随着一层一层骨板的形成，腔隙越来越小，最后别为哈佛氏系统的中央管为止，一个新的骨单位建成了。
- Decalcified bone with Haversian system cut longitudinally. Notice the central blood vessel and the many concentric bony lamellae around it. As always, osteocytes are trapped in their lacunae. 脱钙骨片切片，示哈佛氏系统的纵切面。观察中央管内有血管走行，中央管周围，有多层骨板相环绕。骨细胞位于骨陷窝中。
- Section of compact ground bone - dry and unstained - showing cross-cuts of Haversian systems. 密质骨横切面--未染色--显示哈佛氏系统的端面。
- Haversian systems, each about one-sixtieth of an inch wide, make up the structure of compact bone. 哈弗斯系统，弥补了每个大约六十分之一英寸的宽度密骨的构造。
- The very dark blue at the lower left and right is spongy bone of the periosteal bone collar of the shaft.This will later be remodeled into Haversian systems of compact bone. 图片右下方极深兰色的为骨领的松质骨成分，以后，包括骨领都会逐渐被重建改造为由骨单位构成的密质骨。
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The drainage system has been aged. 排水系统已经老化了。
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
