The conservation principle of orbital symmetry may be represented as conservation law of bond symmetry, by means of group theory and the point of view of the localized bonds.
利用群论的方法及定域键的观点可以把轨道对称守恒原理表述为键对称守恒规律。
In enucleation implant group, 7 patients experienced conjunctival dehiscence and 5 patients experienced orbital implant exposure.
眼球摘除巩膜包裹法置入义眼座组有7例结膜伤口裂开，其中5例义眼座暴露。
The satellites follow a combined eccentricity and inclination vector separation strategy, so that the group geometry can be expressed simply by the orbital elements of each member.
并且根据卫星群偏心率与倾角综合的分离思想，讨论了两种策略，使得卫星群的构形可通过每个成员的轨道要素简单表出。
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