| 1. | Considerable residual stresses exist in the normal direction . 在其厚度方向存在着可观的残余应力。 |
| 2. | Flip normals - change the normal directions of the selected faces 翻转法线-改变选择面的法线方向。 |
| 3. | The decaying of periodic disturbance in turbulent boundary layer along wall - normal direction 周期性扰动在湍流边界层中沿法向的衰减 |
| 4. | The clamps should be stable , the clamping force should be in normal direction to the support surface 5夹紧器要稳定可靠,夹紧方向按定位面法线方向。 |
| 5. | The normal direction of such polygons is the normal direction of the cone face , on which the polygons lie 表面网的基本单位是多边形,该多边形的所有顶点在一个经由物体轮廓边的锥体平面上。 |
| 6. | Under the sick conditions the physical functions will become imbalanced temporarily , but after regulating with effective ways , they will be getting to the normal direction and be recovered again 在病态情况下,生理功能会发生暂时不平衡,然而在有效方法调理后,一般则会向正常方向转化而恢复其正常生理功能。 |
| 7. | A method of 3 - d depth measurement following normal direction is proposed in this thesis . with the use of this method to get thickness information of facial parenchyma , the precision is increased compared with former methods 本文提出了一种沿法线方向的三维深度测量方法,将其应用于面部软组织厚度信息的测量,与原来的方法相比提高了测量精度。 |
| 8. | The dynamic tensile stresses of earthquake may balance or exceed to the precompression stresses due to static watef , this may arouse opening of joints along the normal direction . if the altemate actions of earthquake join , the joints may behave gradual opening and closing 由于地震作用时的动拉应力将抵消并超过静载作用下的压应力,导致横缝面沿法向张开,加上地震的交变作用,横缝可能会呈现反复的“渐开渐合”现象。 |
| 9. | With the algorithm , fairing and uniform meshes are obtained by moving each vertex in normal direction and tangent plane simultaneously . an algorithm of feature enhancing and mesh smoothing is studied . the algorithm is based on iterative use of diffusion of normals and vertices 融入平均曲率光顺思想,对拉普拉斯算子进行改进,通过在法矢方向和切平面上同时对网格顶点进行移动调整,较好地达到模型外形光顺、三角片形状比较均匀的要求。 |
| 10. | The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation , there are te mode and tm mode in this special waveguide , but the principal mode is different of the character of the uniaxial crystal , the principal mode is the principal mode of te mode for the negative uniaxial crystal , but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane , for the positive uniaxial crystal material , the principal mode of the waveguide is a te wave , which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition , there will be only the principal mode propagating in the waveguide , otherwise some of the higher order modes can be excited , which are neither te modes , nor tm modes , but the hybrid guided modes 本文就是在此背景下,利用金属波导和单轴晶体的一些特性,结合麦克斯韦方程组和波导的边界条件,从三种不同的情况研究了光在对称平面单轴晶体金属波导(波导层是单轴晶体,两个波导界面均为金属)内的传输特性,其主要贡献为,首次解析地得到了这种波导结构下模式场的精确解,并发现了一些有用的特性: ( 1 )模式场的性质因单轴晶体的性质不同而异; ( 2 )当单轴晶体光轴位于波导界面法方向与传输方向构成的平面内时,波导中传输te波和tm波,只不过其主模因单轴晶体的性质不同而异,当波导层介质为负单轴晶体时,波导主模是te波主模,而波导层介质为正单轴晶体时波导主模是tm波主模。 ( 3 )当单轴晶体光轴位于波导面内时,对于正单轴晶体,波导的主模是横电波te _ 0模,任何频率的光波均可激励该模式;当光波波长满足一定条件时,波导内传输单模,否则,将激励起高阶模式,高阶模即匪te波,也匪tm波,而是两者耦合而成的混合模。 |