英语释义

1. being a polyhedral angle with four faces

2. relating to, forming, or having the form of a tetrahedron

片语

tetrahedral network四面体网络

tetrahedral congruence[数]

tetrahedral radius四键离子半径

tetrahedral field四面体场

tetrahedral cluster[数]

tetrahedral interstice四面体间隙

tetrahedral bond四面体键

tetrahedral surface四面曲面

tetrahedral symmetry[regular tetrahedron], an example of a solid with full tetrahedral symmetry

英汉例句

• by the introduction of element shape test operator, the shape quality of tetrahedral element is improved, and the thin tetrahedra are avoided in certain extent.

  由于本文在单元提取算法中加入了单元形状测试算子，使得形成的四面体单元在形状质量上有所保证，在一定程度上避免了狭长单元的产生。

• the equilibrium constants of addition reaction of alcohol to tetrahedral complex of cobalt with organophosphorus monobasic acids in octane are established by spectrophotometry.

  用光度法测算了醇与有机磷一元酸四面体钴配合物加合反应的平衡常数。

• common examples include solid linear brick and solid parabolic tetrahedral elements.

  常见的例子包括固体线性抛砖和固体四面体组成部分。

• his work with tetrahedral kites led to the development of this flying machine a few years before 1910.

  1910年前，他在四面体风筝方面的研究，导致了这艘飞行器的开发。

• a satisfactory theory must be able to explain why in methane the hch angles all have the characteristic tetrahedral value.

  一个完满的理论必须能够解释甲烷中为什么所有hch角都具有四面体的特性值。

• only a fraction of the a ions are in tetrahedral sites.

  只有一部分a离子处在四面体的位置上。

• when the formulasof the tetrahedral element are developed, triangular coordinates is used to develop the boundary integral part of outer boundary element.

  其中针对四面体单元的第二、第三类边界条件采用面积坐标积分变换法详细推导了边界积分项的计算过程。

• as the tetrahedral grids exist in the majority area, the pentahedral prism grids are adopted near the boundary, which meets the sst model「s requirement of mesh in the boundary layer.

  流场大部分区域为四面体网格，在边界附近采用加密的五面体棱柱型网格，满足了sst模型对边界层网格的要求；

• tetrahedral amorphous carbon (ta-c) films have been deposited on p-type (100) polished c-silicon wafer with different substrate negative bias by filtered cathodic vacuum arc technology.

  采用过滤阴极真空电弧技术并施加一定的衬底负偏压，在p（100）单晶硅片上制备出四面体非晶碳薄膜。

• inner- and outer-sphere surface complexes of all such three cations with tetrahedral and octahedral charge sites were observed in the one-layer hydrates.

  一层水合物中可以观察到三种阳离子都能和四面体电荷与八面体电荷位置分别形成内、外配位作用。

• based on our results, to design better performing electrolytes, future computational models will need to move beyond tetrahedral coordination structures.

  根据我们的研究结果去设计性能更好的电解质，未来的计算模型，将会超越四面体配位结构。

• according to the conventional view, liquid water has a similar, albeitless rigid, structure, in which extra molecules can pack into some ofthe open gaps in the tetrahedral arrangement.

  根据传统观点，液态的水分子也是类似排列，尽管不那么严格，额外的分子会被包进四面体孔隙里。

• in this compound, the tin atom has distorted tetrahedral configuration.

  锡原子呈畸变四面体构型。

• unstructured tetrahedral meshes are used to simulate the flow field inside high pressure combined valves of a 600mw ultra supercritical steam turbine under the nominal condition.

  采用非结构化四面体网格，对某600mw超超临界汽轮机组高压主汽调节联合阀的额定工况进行了数值模拟。

• a tetrahedral mesh smoothing algorithm based on non-smooth problem optimization is presented.

  提出一种基于不可微问题优化的四面体网格光顺算法。

• in this paper, a general method of three dimensional vector potential solution for nonlinear magnetostatic field problem by means of the finite tetrahedral element method is presented.

  本文给出了用有限四面体单元计算三维非线性恒定磁场的一般过程。

• the results showed that the type of microsporic tetrads of the simple flower is belong to tetrahedral type and the mature pollen is two-celled with bristles on the surface.

  单瓣紫花木槿的小孢子母细胞经过减数分裂形成四面体状的四分体，成熟花粉是二细胞型花粉，圆球型，表面有刺毛。

• the tin atoms have a distorted tetrahedral coordination geometry.

  中心锡原子为畸变四面体配位构型。

• compared with triangular meshes, tetrahedral meshes tend to have a larger proportion of poor quality elements and to have elements that are more severely distorted.

  相对于三角形网格，四面体网格质量差的单元所占的比例更大、严重变形的单元更多。

• two methods were applied to fit surfaces of the tetrahedral gap of an intermeshing co-rotating twin-screw extruder. the surfaces are irregular border」s parameter domain.

  文中利用了两种对非规则边界参数区域进行拟合的方法，对同向双螺桿挤出机四面体间隙进行了拟合，并建立了一种曲面拟合误差测量的新方法；

• john mccurdy pilots alexander graham bell's experimental tetrahedral kite, the cygnet iii, which left the ground via powered flight in march 1912.

  1912年3月，约翰·麦柯迪试驾亚历山大·格雷厄姆·贝尔的实验性四面体风筝，通过动力飞离地面的「小天鹅3号」。

• in case of using acidified alcohol to extract surfactant, it is more effective to retain fe in tetrahedral coordinated framework.

  用酸化的乙醇溶液抽提脱除模板剂，能更有效地让铁保留在四面体配位状态的骨架位上。

• even the highly unstable tetrahedral tetroxide xeo4 was made (j. l. houston, 1964).

  1964年，j·l·休斯顿（j.l.houston）甚至合成出了非常不稳定的四面体四氧化合物xeo4。

• there are several mechanisms to release the difference in size while the silicon-oxygen tetrahedral sheet and octahedral sheet assemble the to and tot-type structural layers.

  四面体片与八面体片构筑to和tot结构层时采取多种机制消除二者在二维尺寸上的差异；