世界上有亿万种雪,蕾妮说,没有两种看上去一模一样。可你怎么记得哪种是哪种?
There are a million zillion kinds, says Nenny. No two exactly alike. Only how do you remember which one is which?
进一步对三种异质结进行研究,得出传导模的出现不只是晶格结构畸变一种情况可以产生,其他两种异质结也能产生传导模。
It is further shown that guide modes appear not only in the case of lattice structure aberrance but also in the other two cases.
这两种经济制度实际上一模一样。
本文将理论与实例相结合,对这两种共模骚扰的成因、表现形式和抑制对策进行了系统的介绍。
This paper deals with a comprehensive and detailed introduction about the classification, cause, behavior and suppression methods of the common mode disturbance combining theory with examples.
介绍了在软弱岩体中静荷载测试中钻孔弹模计法的原理和方法,并将该法运用到现场,得到了软弱岩体的压力变形的两种特殊形式。
The principle of a new static loading test method for weak rock masses, a method of borehole elastic modulus gauge, is described.
对纵环电流天线,可能存在静电模转换激发和直接激发这两种离子伯恩斯·坦波激发方式共存的情况。
We find that for our toroidal current antenna, there may exist two ways of excitation, i. e. direct excitation and excitation through the electrostatic mode conversion process.
初始模因存在两种基本状态:稳定状态与变异状态。
Initial Meme holds in both the attained states and the variable states.
比较研究了薄板坯连铸用二孔型水口和四孔型水口流场特征,水模试验结果表明,采用两种水口的薄板坯结晶器流场均存在非稳定性现象。
The characteristics of fluid flow in the mould of two ports SEN and four ports SEN have been compared and the influences of SEN on the level fluctuation are investigated by water modeling experiment.
根据零件特点设计了一副组合式的冲孔、落料复合模冲压两种产品,介绍了模具结构,论述了组合式纵梁复合模的结构特点。
According to parts character, a pair of assembled punching, blanking compound die punching is designed, die structure is introduced, and assembled carling compound die structure is stated as well.
介绍两种快速测量单模光纤模场半径的方法及其测量装置——可变孔径法和移动圆孔法;
Two methods and devices which are changeable aperture and movable aperture for measuring the mode-field radius of single-mode optical fibers are presented.
阐述了两种不同半径圆弧凸模代替椭圆弧凸模所产生的误差,并比较其大小,从而实现凸模断面的优化设。
The errors are discussed as a result of two kinds of different radius arcs replacing elliptical arc, thereby, realize optimal design for punching cross section.
文中应用现代控制理论、滑模变结构控制理论和模糊控制理论设计了两种三并联耦合倒立摆系统的控制方案。
Modern control theory, variable structure control theory and fuzzy logic control theory are applied to contrive two schemes to control Parallel triple inverted-pendulum system.
利用这两种模型分别计算了轴承套圈冷挤压组合凹模的预应力,并同拉美公式的计算结果进行了分析比较。
The prestressing force in combined dies to be used for cold extrusion of bearing outer race by the two mathematical models is calculated and compared with the results obtained by Lame formulae.
设计了两种新型凸轮滑杆式间隙模封机构,同时采用微机控制,给出硬件、软件程序框图。
Two new intermittent traverse seal mechanisms were designed. They were controlled by the computer. The hardware and software program drawing were also presented.
详细研究了衬底或者覆盖层是左手材料两种情况下,空心平板波导中的表面模。
Investigated were the surface modes propagating along a hollow dielectric slab waveguide with a left handed material (LHM) substrate or cover, respectively.
针对控制增益为未知常数和未知函数两种情形,分别提出分散自适应滑模控制器设计新方案。
Considering two cases that the system has constant control gains or function control gams, two novel decentralized adaptive sliding mode control schemes are presented, respectively.
波纹喇叭与光壁多模喇叭是两种比较理想的高效率馈源。
Corrugated wall horns and smooth wall multimode horns are two comparatively ideal feeds with high efficiency.
基于这两种控制律,采用准滑模控制方法对地震作用下建筑结构的振动控制问题进行了研究。
Therefore we propose new quasi-sliding mode control laws that can not only reduce seismological response but can also avoid undue chattering effect.
介绍了用硅橡胶和聚氯乙烯两种材料制作工艺品及精铸蜡模的可剥软模具的制作方法及其实际应用。
This paper introduces the making method of the strippable soft dies of handiworks and precision casting wax patterns which are made of the silicic rubber and PVC and its practical application.
本文算例表明,当半主动控制策略一样时,最优控制和滑模控制两种控制算法的控制效果相差不大;
Results of numerical example show that comparing with optimal control the effectiveness of sliding mode control is similar when the same semi-active control strategy is taken.
拉深系数为0.39的两种零件,从试制到生产,证明了锥形凹模是可以实现深拉深的模具。
Two parts whose drawing coefficient are 0. 39 passed through testing to production. It proved that taper female die is used up in deep drawing.
另外,研究结果表明组成光子晶体的两种材料的折射率差别越大,两种电磁模的禁带越宽,越容易产生完全光子禁带。
The results of study also shown that the biger difference of refractivity between two kinds of materials, the wider of the bandgap for two electromagnetic modes, and easier to produce full bandgap.
本文主要利用FEA及PVD技术,针对细小凸模的断裂和磨损两种失效形式,进行失效分析与优化。
In this paper, the failure of pin punch was analyzed and optimized based on FEA and PVD, according to failure mechanism of fracture and wear of pin punch.
我们发现,这两种磁序的表面模的频率随外场和层间耦合的变化情况很不同。
We find that in the voigt geometry the frequency of surface modes versus the external magnetic field and the interlayer coupling is very different in these two different magnetic orderings.
共模干扰和差模干扰是传导emi的两种传导形式,本文从产生源、传播路径方面分别对共模干扰和差模干扰进行了论述。
CM and DM are the two conducted form of the conducted EMI, this paper discuss the CM and DM in the noises.
在TMS320C 6201上执行113位和191位算法证实确实提高了模乘和模逆两种运算的速度。
It is proved that the speeds of modular multiplication and inversion method are both improved by performing 113 bits and 191 bits methods on TMS320C6201.
对比了两种模逆算法,从节约时间的角度选取了扩展的欧几里德方法。
Extended Euclidean Algorithm is selected to realize inversion from the standpoint of saving time.
本文是以基模理论和动作技能表征模式此两种理论来进行文献回顾,并将其观念及论点应用在柔道技能训练中。
This article are review the schema theory and motor skill representation model, and use it's view point on Judo training.
仿真试验表明,两种模型的动态过程均符合对象的机理,同时,对实时模快的有效性进行了探讨。
The experimental results show that the dynamic process of two type model accords with the mechanism of the object, at the same time, the validity of real time capable module is discussed.
本文讨论了四层克尔型非线性介质平板结构中两种形式的光波导模问题(TE波),并求得解析解。
This paper studied a four-layer Kerr-type nonlinear slab-guided optical mode(TE mode) and obtained the analytical solution.
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