| 1. | Coordinates of the elliptic cylinder
椭圆柱坐标 |
| 2. | Double pillar jig borer
双柱坐标镗床 |
| 3. | Machine tools ; vertical drilling machines ; single column coordinate drilling machines with vertical spindle and table of fixed height ; acceptance conditions
机床.立式钻床.带立轴和高度固定工作台的单柱坐标钻 |
| 4. | Machine tools ; vertical drilling machines ; double column coordinate drilling machines with vertical spindle and table of fixed height ; acceptance conditions
机床.立式钻床.带立轴和高度固定工作台的双柱坐标钻 |
| 5. | When a solid region in three - space has an axis of symmetry , the evaluation of triple integrals overis often facilitated by using cylindrical coordinates
当空间立体区域有一个对称轴时,计算上的三重积分通常使用柱坐标比较容易 |
| 6. | Non - axisymmetric problem : two independent sets of the state vector equations are derived from its governing equations in a cylindrical coordinate system by introducing a set of auxiliary variables
层状压电压磁弹性材料的空间非轴对称问题：在柱坐标下，通过引入一组辅助变量，从它的控制方程推导出两组相互独立的状态变量方程。 |
| 7. | Based on the semi - vector wave equation under cylindrical coordinate system , the mode distribution and complex propagation constant in bent waveguides were computed by a finite difference method with perfectly matched layer ( pml ) boundary condition
摘要以柱坐标下的半矢量波动方程为基础，采用基于完美匹配层( pml )边界条件的有限差分方法，对弯曲波导进行模式求解，进而得到波导弯曲引起的辐射损耗。 |
| 8. | Because that complex phenomena in pegs involve kinetic effects of plasma and cathode emitted electrons , and evolution of electromagnetic fields , particle - in - cell ( pic ) code is chosen as study tool , and a two and half dimensional cylindrical fully electromagnetic pic code cylinder2 - 1 / 2d , which is suitable for simulating the operation of the pegs , has been established
考虑到peos物理现象涉及到等离子体和阴极发射电子的动力学行为以及空间电磁场的复杂变化，我们采用粒子模拟方法作为研究工具，研制了适用于peos物理问题模拟研究的二维柱坐标全电磁粒子模拟程序cylinder2 - 1 2d 。 |
