For 687 Earth days, Surveyor will utilize this orbital vantage point to collect scientific data on a continuous basis. 在687个地球日里,勘测者号将利用这种轨道的有利位置连续不断地收集科学数据。
Theory of hybrid atomic orbital is an important point in inorganic chemistry and structure chemistry. 杂化轨道理论是无机化学和结构化学课程重要的知识点。
Overview of Orbital Dynamics and Control for Libration Point Orbits 平动点轨道的动力学与控制研究综述
Methods: Analysis 29 cases of orbital diseases through clinical and pathology diagnosis, the point observes that type of MRI performance. 方法:对29例经临床病理确诊的眼眶病变的病例进行回顾性分析,重点观察该类疾病的MRI表现。
This paper introduce Chang'E-1 Satellite Lunar Orbital X-ray Imaging Analyzer responsible for the reliability prediction and analysis, include reliability diagram, elaborate on X-ray Imaging Analyzer's key items and single point failures mode. 本文介绍了嫦娥一号卫星有效载荷X射线谱仪可靠性预计及其分析,给出了可靠性框图,并对探测器关键项目及单点失效故障模式进行分析。
Theory of hybrid atomic orbital is part of modern valence bond theory and a difficult point in inorganic chemistry teaching. 杂化轨道理论是现代价键理论的一部分,也是大学无机化学教学的一个难点。本文从原子轨道为什么需要杂化;
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。
Using the eigenvalues of connecting-orbital matrix, the boiling point ( T_b) change rule of fatty alcohols were modeled by two descriptors EVM and PEI. 应用键连接矩阵特征根,脂肪醇的沸点(Tb)变化规律分析两个分子结构信息参数EVM和PEI定量关联。
Then according to the relationship between skull centroid and the centre point of orbital cavity, the centre point of orbital cavitiey is obtained. 然后根据颅骨质心与左右眼眶中心点的角度关系计算出左右眼眶中心点;