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[数]步长指数
[通信]阶跃折射率
1、step by step───adv.逐步地；一步步地，逐步地，逐渐地; 缓缓; 浸
2、pliability index───柔韧性指数
3、step───vt.走，迈步；竖立（桅杆）于桅座上；n.步，脚步；步骤；步伐；梯级；vi.踏，踩；走
4、evenness index───均匀性指数
5、craniotomy step by step───分步开颅术
6、ge index───通用电气指数
7、step by step drawing───逐步绘制
8、index───vi.做索引；vt.指出；编入索引中；n.指标；指数；索引；指针
9、step step───步进
1、Then by using the theory of step-index fibers, a mode for calculating the effective index and the dispersion of PCFs is obtained.───通过类似于阶跃折射率型光纤的理论，得到了光子晶体光纤的折射率和色散的计算模型。
2、A highly efficient beam propagation method for modeling step-index waveguides with tilt interface───一种模拟倾斜折射率界面光波导的新方法
3、step index profile optical waveguide is the fundamentals of all other optical waveguide devices theoretically.───阶跃折射率光波导在理论上是所有其它光波导器件的基础。
4、Numerical Aperture of Step-Index Multimode Optical Fibers by Output Far-Field Radiation Pattern Measurement───用输出远场辐射图测量多模光纤指数的数字孔径
5、Spectral Attenuation Measurement of Step Index Multimode Optical Fibers───渐进指数多模光纤的光谱衰减测量
6、Analysis second order perturbation of step-index multilayer planar waveguides with gain and losses───多层突变复折射率平板光波导的二级微扰分析
7、The First Order Weakly- guiding Approximation for the Eigenvalue Equation of Hybrid Modes in a Step- index Optical Fiber───阶跃光纤中混合模式特征方程的一阶弱导近似
8、A simple method for measuring equivalent step index (ESI) parameters of the single mode fiber is presented.───本文叙述了单模光纤等效阶跃折射率(esi)参数测量的一种简便方法及其原理。
9、The results show that tea polyphenols can reduce the body fat, balance blood pressure and help increase lung capacity with little rise of step index.───结果表明，茶多酚可降低肥胖学生体脂含量、维持正常血压、提高肺活量，但对台阶指数的提高不甚明显。
1、In order to calculate the equivalent step index of the periodic structure of the cladding holey optical fiber, all-vectorial fundamental space filling mode approach was utilized.
2、Then the mode series of step index planar dielectric waveguide and circular optical fiber are studied, including propagation modes and radiation modes.