1) flat projective facets
平射面
1.
Via the new concepts of sunny facets,shady facets and flat projective facets of a convex polytope to an outer point and two shield lemmas,it is proved that any n-polytope in Rn can be dissected into a finite union of n-simplices with the vertices coincide with the original polytope and no pair of small simplices has an interior point in common.
通过引进凸多胞形对其外部一点的阴面、阳面与平射面等概念,借助两个屏蔽引理证明Rn中任何n维凸多胞形都可以剖分为内部互不相交、以原凸多胞形的顶点集的子集为顶点集的有限个n维单纯形之并,克服了相关文献中剖分的不足,为单纯形算法提供了一种比较理想的剖分工具。
2) planar jet
平面射流
1.
Experimental study of coherent structures in planar jets and planar jet flames;
平面射流及平面射流火焰中拟序结构的实验研究
2.
The flow field of planar jet is simulated by discrete vortex method.
采用离散涡方法对平面射流流场进行了数值模拟。
3.
The unsteady spatially developing process of a particle laden turbulent planar jet at a moderate Reynolds number(Re=13 000),was numerically simulated by using an Eulerian/Lagrangian approach.
大涡模拟结果表明 ,在平面射流的过渡区及充分发展区存在丰富的拟序结构及其相互作用。
3) flat jet
平面射流
1.
：The experimental measurement of mass transfer coefficient for the flat jet continuous reactor has been done in a water(kerosene system with 2-naphthol transferred between liquid phases.
采用水(煤油(溶有β-萘酚)体系对平面射流连续反应器的传质系数进行了测定，实验结果表明：体积传质系数随搅拌强度的增大而增大，平面射流厚度为3和4 mm时，体积传质系数与搅拌强度有较好的线性关系；从体积传质系数的大小分析，平面射流连续反应器具有较好的传质能力，有潜在的较好的反应动力学条件。
2.
The mathematical model related to the shrinkage and the motional track of flat jet which jet as a inclination angle were derived by both theoretical deduction and laboratory experiments.
通过理论推导和水力学模型实验给出了存在倾角的平面射流收缩计算模型及运动轨迹 ,得到了平面射流在宽度方向上的收缩角与出口速度、射流初始厚度的关系。
4) projection plan
射影平面
1.
A new concept and method to create a projection plane to analyze the angles of the cutting tool with AUTOLISP is discussed.
提出了用AUTOLISP构建射影平面的基本思想和方法 ;编制了射影平面的构建程序 ;用实例说明该软件在刀具角度解析中的应
2.
The concept and method of adding a projection plane to AUTO CAD drawing-board and drawing non-Euclidean geometry graph on the board are discussed.
提出了将射影平面叠加到AUTOCAD绘图板上并进行电子非欧几何作图的思想和方法 ;编制了相关的实用程序 ;通过对一复杂刀具的工作角度解析结果表明 ,用该软件分析刀具角度 ,开发新型刀具可达到即快又准的效果。
5) plane jet
平面射流
1.
Effect of exit Reynolds number on self-preservation of a plane jet
出口雷诺数对平面射流自保持性的影响
2.
The process and some technological parameters in producing cast steel shot by watar screen plane jet are introduced.
介绍了用平面射流法制造钢丸的工艺过程和有关工艺参数。
3.
Gassolid twophase plane jet is met in many situations of the nature and engineering systems.
首先用大涡模拟对二维平面射流进行了数值模拟,并就断面流向速度分布、速度脉动量分布以及雷诺切应力分布与实验值进行对比分析,得出大涡模拟方法可以较好地模拟二维平面射流。
6) seismic ray surface
射线平面
补充资料：平射炮
1.具有强大威力的一类火炮，初速大，弹道低伸，射程远，如加农炮﹑反坦克炮等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条