Two models of 2d photonic crystal of line defects and nonperiodic dielectric rods are established. The finite-difference-time-domain method is developed for the study of bandgap.
构建了介质柱间距变化的变周期结构以及介质柱半径线缺陷两种二维光子晶体模型，并将时域有限差分法用于其能带特性研究。
It is the lowest level of software testing and the first line of defense in finding software defects in dynamic testing.
这是软件测试的最低水平，也是动态测试中寻找软件缺陷的第一道防线。
Discuss the case where there might be defects in line-of-sight propagation caused by mountainous areas.
会商在视距传布(用户之间直线传布无线电)会发生缺陷的山区中的状况。
It considers point, line and interfacial defects in the context of structural transformations including annealing, spinodal decomposition, nucleation, growth, and particle coarsening.
其中会讨论在退火、旋节点分解、成核、成长以及粒子粗粒化等结构转变之过程中，所涉及的点、线和面的缺陷。
Inclusions in the gray strip defects consist of MgO and trace melilite, which result from MgO-C refractory in slag line.
灰色条带状缺陷中外来物主要为氧化镁，并含少量黄长石，来源于渣线镁碳砖耐火材料；
The distortion deformation during diameter reduction not only changes the primary defects (such as hair-line seams) into screwy form, but also enlarges the primary cracks.
而减径变形中的扭转变形不但使原始缺陷形成螺旋状，同时还进一步扩展了裂纹。
Because of its inherent characteristics, its processing defects are prone to appear on the hot rolling production line.
由于该钢种所固有的特性，在热轧生产中易产生加工缺陷。
Mistakes in the original design of the pretreating process section of the color coating line caused certain quality defects on the product.
彩板生产线预处理工艺段原设计缺陷造成彩板质量问题。
All defects discovered during the In-Line Inspection had to be corrected.
所有检查看在中期的报告上是否有修改。
This paper, focusing on the defects in the diagramming experiment algorithm in the equipment one line layout, puts forward the application of the sum of diagramming date in the layout.
针对设备单行布置从至表试验法存在的缺陷，提出了运用从至数之和法进行设备单行布置。
These systems performed tasks such as foreign object detection or on-line detection of systemic defects in chicken.
这些系统可以执行任务，如异物检测或对有缺陷的鸡进行在线的系统检测。
A surface inspection system for cold rolled strips is introduced, which is used in on-line detection and recognition of surface defects on cold rolled strips.
介绍一套目前正在开发的冷轧带钢表面质量在线监测系统，该系统用于在线检测和识别冷轧带钢的表面缺陷。
One line of evidence supporting the connection is that defects in certain genes needed for DNA repair produce maladies that mimic those of accelerated aging.
支持这种关系的证据是需要修复的特定基因的损伤产生疾病例如加速衰老。
Because of the defects in from-to matrix method used for the equipment layout in one line, this paper improves the method.
针对设备单行布置从至表试验法存在的缺陷，提出了改进的从至表试验法。
While in material of natural bone group, fracture line disappeared after 8 weeks with dense bone callus at the site of bone defects, and by 12 weeks bone marrow still not recanalized.
而单纯支架组8周骨折线消失，缺损处有大量骨性骨痂包绕，12周骨皮质连续，骨塑形较差，髓腔未通。
The paper will make a summary of its historic contributions and defects, the causes for the suspension of line and comparative historiographic studies and explain its defects.
本文将从八大的历史贡献及不足、路线中断的原因、对比史学研究三方面对其研究进行综述，并对八大研究的不足之处加以说明。
A fast orthogonal edge projection algorithm is proposed for real-time inspection of film defects on production line.
为实现对胶片弊病的实时识别，提出了一种正交边缘投影快速检测算法。
The fireproof measures are put forward by analyzing the firing causes of oil line system of high-pressure steam turbine and listing the defects.
分析了蒸汽透平油路系统着火的原因，列举了其存在的缺陷，提出了具体的防火技术措施。
In production of pipe line steel at Beixi Iron and steel Co. several defects are pre-vented by adopting optimum technology.
围绕本钢生产石油管线用钢，结合生产中出现的问题，摸索出一套适合本钢热轧厂的最佳工艺。
To ensure the safe operation of steam injection line, the detection of potential hazardous defects and the judgement of validity of steam injection line becomes very important.
如何检测出潜在危险性缺陷，判断注汽管道能否继续使用，是保证注汽管道安全运行的关键问题。
An on line detection system for the surface defects in steel strips by means of computer vision technology was introduced.
介绍一种带钢表面缺陷计算机视觉在线检测系统。
At present, the line testing of the domestic fabric production is basically done by artificial vision, and the cord fabric defects detection is also by this.
目前国内织物生产的在线检测基本上都是由人工视觉来完成的，帘子布疵点的检测也是如此。
Test result shows that it is a practical and fit defects inspection scheme. It can meet the need of fluorine plastic film on-line inspection.
实验表明该方法是一种实用有效的疵点检测方法，可以满足氟塑料薄膜在线检测的要求。
Error usually occurs during inspection of on-line pipelines for wall-loss defects using intelligent pig.
超声波智能清管器进行在线管道壁腐蚀缺陷检测时，经常出现误差问题。
With the instrument the defects of the conductor on the high voltage overhead transmission line can be inspected whether the line is dead or in operation.
依据高压输电线的结构特点，可同时使用涡流检测原理和漏磁检测原理分别对导线的铝绞线和钢芯损伤情况进行检测。
And analyzing common quality defects of high strength steel welding line. A series of process parameters which can effectively control thew...
同时分析了高强钢焊缝质量常见缺陷，并给出了一套可以有效控制焊接高强钢加工质量的优化工艺参数。
Discuss the case where there might be defects in line-of-sight propagation caused by mountainous areas.
在由于山区引起信号传播的阻碍的地区，讨论这样的情形。
An on-line inspection system was developed for wide film (width: 1 300 mm) production, which is able to detect the defects on the film surface.
本文介绍了一套用于宽幅胶片生产线整理工序的弊病在线检测系统，该系统用来实时检测胶片表面常见的弊病。
An on-line inspection system was developed for wide film (width: 1 300 mm) production, which is able to detect the defects on the film surface.
本文介绍了一套用于宽幅胶片生产线整理工序的弊病在线检测系统，该系统用来实时检测胶片表面常见的弊病。
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