查询词典 structure constant

In last chapter, two kinds of portable DSPI vibrometer are developed. A new simple and reliable structure for speckle averaging is made up and a circuit to change the phase of wide-band signal (200Hz-100KHz) with keeping amplitude constant is skilfully designed.

巧妙地设计了在保持幅值不变的情况下，对宽带信号（200Hz-100KHz）进行连续和离散相移的电路，研制了一种新型简单可靠的散斑平均器，取得了较好的散斑平均效果。

So, I suggest strongly Seo learner, do not have blind faith in Seo, seo actually not difficult, the intellectual structure of our oneself should follow to go up the pace that the times grows, must not resolve the new issue of constant change with dated knowledge.

所以，我强烈建议seo学习者，不要迷信seo，seo其实不难，我们自身的知识结构要跟得上时代发展的步伐，千万不要以陈旧的知识解决不断变化的新问题。

The special task force groups, being "compact" structure-wise and on constant alert for immediate actions must have the ability to perform pre-emptive rapid airlifting and air-ground maneuvering in relation to the enemy's subversive and terrorist formations.

特谴队由于结构高度精干合成，且一直处于警戒状态随时准备进行立即行动，所以必须针对敌人破坏与恐怖分析的行动具备迅速进行空运、地面、海面机动的能力。

The method enhances peak values of fingerprint samples by convoluting with a constant mask and therefore suppresses the noise. It restores the structure of fingerprint ridges and valleys better and improves the precision of the fingerprint ridge frequency, which is propitious to the subsequent processing in the fingerprint recognition system.

该方法通过给定的模板对指纹采样信号卷积，增强了信号峰值，抑制了噪声，从而还原出指纹的脊谷结构，提高了指纹脊频率估计的精确性，有利于指纹识别时的其他后续操作。

This structure applies non-controlled rectifier, boost chopper and SPWM inverter chopper to convert the electric energy dynamited by electrical machine into alternating current which can be accessed to the constant frequency and voltage of electricity grid.

详细介绍了直驱型风力风电系统的组成结构及其变流系统的控制原理，给出了一种在考虑现有开关器件功率水平的情况下符合大功率直驱并网型风力发电机组要求的变流电路拓扑结构，并给出了相应的主要部分的具体应用电路。

Your own time structure misleads you into your ideas of the relative permanency of physical matter, and you close your eyes to the constant alterations within it.

你们自己的时间结构将你们误导至你们的物质事物的相对永久的观念，而你们对它之内连续不断的变化却视而不见。

Notwithstanding preening and constant care , the marvelously intricate structure of a bird ' s feather inevitaing wears out

尽管经过精心的打扮和细心的呵护，另人惊奇的具有复杂结构的鸟羽毛最终还是磨破了。

Liu Notwithstanding preening and constant care the marvelously intricate structure of a bird s feather inevitaing wears out .

尽管经过精心的打扮和细心的呵护，另人惊奇的具有复杂结构的鸟羽毛最终还是磨破了。

When the total content of mineral admixture is 44% and the grinding time is kept constant, particle distribution and mechanical strength are studied for cements with different proportions of fly ash and furnace slag and the influence of addition of high content of mineral admixture on pore structure and microstructure of cement paste are also studied.

固定混合材总量为44%和粉磨时间不变，对不同粉煤灰、矿渣用量的水泥颗粒级配和力学强度进行了测试，同时分析了掺混合材对水泥石孔隙结构和微观形貌的影响。

The results show that:(1) The penetration resistance of functionally graded layered armour made of metal Matrix Composites is better than that of the Aluminum plate;(2) The penetration resistance of the functionally graded layered armour whichlay_up is 0%/57%/0%/26%/0%/12%/0% is the best;(3) The resistance penetration of the the functionally graded layered armour can be greately promoted through optimizing the lay_up and volume fraction of the reinforced particle;(4) The functionally graded armour in which the particles distribute continuous has better behavior of resistance penetration when the volume fraction of the reinforcements are constant;(5) The higher volume fraction of the reinforcements at the surface of FGM and the more non-homogeneous the reinforcements distribution, the higher thesurface Youngs Modulus and the flow stress are;(6) The behavior of penetration resistance of the functionally graded armour in which the particles distribute continuously is better than that of homogeneous steel plate;(7) The functionally graded armour provedes a important approach for the optimization and design of the resistance penetration;(8) The numerical results of simulation of the bird striking the aircraft structureshow that the finite element model of the balance leg is effective;(9) The numerical results show that the structure internal force is relative largewhen the bird strikes the top of the balance leg;(10) The process of the birdstrike is thaf.after the bird penetrting through the front skin of the balance leg and striking the front beam,the bird is broken up in three parts.

经过本文所进行的数值模拟后我们发现：(1)在层状梯度装甲板的抗侵彻过程中层状功能梯度板比铝板的抗侵彻性能好；(2)在层状梯度装甲板的抗侵彻过程中铺层顺序为0%/57%/0%/26%/0%/12%/0%的功能梯度装甲板的抗侵彻性能最好；(3)通过优化组合层状梯度板的铺层顺序以及增强颗粒的含量可以大大改善梯度板的抗侵彻性能；(4)当SiC颗粒体积含量一定时，增强颗粒连续分布的功能梯度板表现出了优越的抗侵彻性能；(5)增强颗粒连续分布的功能梯度板表面SiC颗粒体积含量越高，分布越不均匀，表面的弹性模量就越高，屈服应力就越高；畜此工业大学硕士研究生学位论丈(6)增强颗粒连续分布的功能梯度装甲板比匀质钢板表现出良好的抗侵彻性能；(7)功能梯度装甲板为整个抗侵彻性的优化设计提供了重要的途径。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。