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- geometric structure of surface 表面几何结构
- By this method the bonding and geometric structure of twenty-nine ABn molecules have been deduced. 运用此方法确定了二十九种AB_n型分子的结构。
- The geometric structure of carbon nanotubes (CNTs) is introduced,the symmetry of zigzag and armchair CNTs is analyzed and these symmetry elements are abstracted and summarized. 在讨论了碳纳米管的几何结构的基础上,对齿型和椅型碳纳米管的对称性进行了分析并将这些对称元进行了抽象和总结。
- After tracing and analyzing the geometric structure of control system block diagram, thereby the corresponding topological structure is generated by graph analyzer. 图形分析器通过对控制系统方框图的几何结构进行跟踪探索和结构分析，生成相应的拓扑结构。
- The concept of connective degree is utilized for the identification of topological difference in the geometric structure of a line, its generally topological definition of a line is given. 摘要提出了利用连通度不变量来区分单个线目标上具有不同拓扑特性的点，进一步定义了线目标的端点集和内点集。
- At first, both principle of surface flashover and axial insulation structure of accelerating tubes were analyzed. 首先分析了沿面闪络的机理和该加速管轴向绝缘体结构。
- When temperature of machined surface exceeds transformation temperature, Metallographic structure of surface material will produce phase change. 加工表面温度超过相变温度时，表层金属的金相组织将会发生相变。
- This paper puts forward a novel hybrid permanent megnet brushless DC motor which adopts magnetic pole structure of surface insert type. 提出了一种新型的多相复合式永磁无刷直流电机。
- The properties and the structure of this film are investigated.It is found that PPA monolayer has nonrecompressibility, anisotropism and relaxation of surface pressure. 结果表明，聚苯乙炔能在较大的表面压范围内形成稳定的单分子膜，并具有不可重复压缩性、表面压力的各向异性和松弛特性。
- The whole geometric structures of combustor,combustion chamber and furnace tube in delayed coking furnace were accurately calculated by the whole-coupling method. 采用分区耦合的计算方法,实现了对工业焦化炉从燃烧器、炉膛、炉管整体几何结构的仿真,并且对焦化炉内流动、燃烧和传热全部工艺过程进行了模拟。
- Because of the particularity of surface structure of solar panel substrate,the classical measuring methods can not satisfy the requirements of planeness measurement. 由于太阳能帆板表面结构的特殊性，传统的测量方法都不能满足其平面度测量的要求。
- Metal geometric structure of the parameters 金属网几何结构的参数
- The microscopic structure of tissue. 组织机构组织的微观结构
- We know a lot about the structure of genes now. 如今我们对基因的结构有了较多的了解。
- The structure of the sentence is strange. 这个句子的结构很奇怪。
- What did Einstein think the theory implied about the geometrical structure of the universe? 爱因斯坦认为此理论对宇宙几何结构有什麽暗示?
- Spray primer to see the condition of surface. 喷水补土检查表面状况。
- Comparing with the welding of surface structure of cab and diesel engine,this article points out the advantage of MAG welding,especially better than CO 2 welding,furthermore,the surface quality of seam is enhanced. 通过试验比较了MAG焊和CO2焊2种方法焊接驾驶室、柴油机等外观件,指出MAG焊具有一系列优点,特别是MAG焊的综合机械性能优于CO2气体保护焊,MAG焊的焊道表面质量有了明显的提高,且MAG焊的总体成本低于CO2焊。
- One of the reasons the system succeeds, he says, is there is considerable difference in the geometrical structure of male and female facial features. 他说,该系统成功的原因之一,是男女性别面部特征的几何结构有显著差异。
- Complexity Analysis of Surface EMG Signals. 表面肌电信号的复杂度特征研究。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
