There are two kinds of theory for the vacuum surface flashover: secondary electron emission avalanche (SEEA) and electron triggered polarization relaxation (ETPR).
研究真空表面闪络过程有两类理论：二次电子发射崩溃(SEEA)和电子引发极化松弛(ETPR)。
With fractal theory, a new fractal dimensional calculation is adopted to calculate two dimensional fractal dimension of EDM surface.
利用分形理论，采用一种新的分形维数计算方法，得出电火花加工表面的二维分形维数。
Theoretical analysis, numerical calculation and experimental study are tarried out for this kind of antenna, by use of the theory of two-dimensional periodic admittance surface.
本文对上述天线应用二维周期导纳表面理论进行了初步的理论分析、数值计算和实验研究。
According to the theory, there exist two levels of cognitive processing: the formal level or the surface level and the semantic level or the deep level.
根据认知加工层次理论，对单个的词可进行形式和语义即浅层次和深层次加工；
A surface equation of state for nonionic surfactant aqueous solutions is developed by using perturbation theory and two - dimensional gaseous theory.
应用微扰理论并借鉴二维气体理论的处理方法，建立了非离子表面活性剂水溶液的表面状态方程。
According to surface theory in differential geometry, the two-dimensional surface is parameterized by two variables.
微分几何中的曲面论，用两个变量就可以完全参数化一个二维曲面。
Based on the theory of surface diffusion, a finite element method was developed to simulate shape evolutions of two-dimensional microcracks with surface perturbation.
根据表面扩散控制下物质迁移规律，建立有限单元法，对裂面形貌扰动下二维微裂纹演变过程进行数值模拟。
In this paper, velocity harmonization and acceleration harmonization of a 2R-1P3R two-arm robot have been studied for special-shaped surface stone with the differential geometry theory and D-H method.
用微分几何理论和D-H法研究了2R-1P3R 双臂机器人用于异形石材加工的速度协调和加速度协调，导出了由工艺给定的切削加工速度求解各关节运动速度和加速度的计算公式。
In this paper, velocity harmonization and acceleration harmonization of a 2R-1P3R two-arm robot have been studied for special-shaped surface stone with the differential geometry theory and D-H method.
用微分几何理论和D-H法研究了2R-1P3R 双臂机器人用于异形石材加工的速度协调和加速度协调，导出了由工艺给定的切削加工速度求解各关节运动速度和加速度的计算公式。
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