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。
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。
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。
On-line System for Inspecting Defects of Photographic Film 用于生产线实时检测的胶片弊病检测仪
Safety Assessment on Fixing Welding Line Defects of a Low Pressured Supply-vapor Pipeline 低压供汽管道安装焊缝缺陷安全评定
Analysis and Countermeasure on the Contact Line Zigzag Data ′ s Defects of Small Radial Curves in Dynamic Measurements 动态测试中小半径曲线接触线拉出值缺陷分析及对策
Methods: In the base line investigation of fetal birth defects and hereditary diseases in demonstration of 9 counties ( districts/ cities), the Level Three intervention projects for depressing birth defects improving the population quality were established. 方法:在山东省9个优生示范工程试点县、市进行婴儿出生缺陷和遗传性疾病的基线调查,制订降低出生缺陷三级干预方案。
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。
We use a rectangular waveguide system to measure the X_band transmission in 2D negative permeability materials with different dot and line defects. 采用波导法测量了点缺陷和线缺陷对二维负磁导率材料X波段(8&12GHz)微波透射行为的影响。
Other challenges come from limitations in the physics of optics that are reached at the high magnification required for very small dimensions of fine line defects. 其他的挑战来自物理和光学极限,即对于非常小的细线条缺陷需要达到很高的放大倍率才能查出。
This paper presents the paging detection method for common dot defects, methods for line and offset defects are also discussed. 针对印刷品比较常见的点缺陷,基于逐象素匹配法、逐层检测法提出了分时连续检测算法,同时提出了针对线缺陷的检测算法,并给出利用模板匹配进行图像偏移缺陷检测的方法。
Photonic crystals coupling waveguide are developed when line defects are introduced into photonic crystals. 在完整二维光子晶体中引入线缺陷后,就形成了光子晶体波导。
Plane defects have important impacts on the physical, chemical and mechanical properties of metals and alloys as well as point and line defects ( dislocation). 和点缺陷与线缺陷(位错)一样,面缺陷对金属及其合金的物理、化学和力学性能具有重要影响。
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。
The job flowchart management and job mode of patrol inspection with helicopter, and using infrared image instrumentation of airborne gyro stabilization, combined with hovering flight of heli-copter nearby the line to find the defects of partial overheat on the line are lucubrated. 论述采用直升机航巡作业的流程管理及作业方式,利用机载陀螺稳定红外成像测试设备与直升机在线路附近的悬停飞行结合寻找线路上局部发热类型的缺陷;
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。
From the experiment, we attain the characteristics of reflected wave and transmitted wave generated by SAWs interacted with the surface-breaking defects, which show that the SAWs generated by laser line source are potential for the surface-breaking defects. 通过实验获得了SAWs经过表面缺陷时产生的反射回波及透射波形的特征,说明了线光源产生的超声波非常适合材料表面缺陷的检测。
The results show that there is a close relationship between the broading of X ray diffraction for line and defects in crystal structure. Nickel electrodes with broading of XRD lines especially for ( 101) exhibit a high electrochemical activity. 研究表明Ni(OH)2晶格缺陷和晶体结构无序化导致X射线衍射(XRD)谱线宽化,具有XRD谱线宽化特别是(101)谱线宽化特征的镍正极有较高的电化学活性。
Wdr, an expert system for distinguishing weld line defects WDR焊缝缺陷识别专家系统
Detection of Surface Upwarping and Line Defects for Hot Rolled Plates Linear Space 热轧钢板表面翘皮及线形条纹缺陷检测
In this paper, a scheme on the contact line zigzag data ′ s defects of small radial curves in dynamic measurements was put forward. 通过对动态测试接触网接触压力缺陷的分析,提出了解决方案。
Study on comparison between AlGaAs/ GaAs and InGaAsP/ GaAs high power laser diodes indicates that Al-free lasers are more reliable due to a reduction of dark line defects, sudden failure and gradual degradation. InGaAsP/GaAs激光器能抑制暗线缺陷的形成,器件的突然失效及缓慢退化有所减少。
FPD module manufacturing process panel lighting detection based on the photoelectric response measurement, including life expectancy and quality of defect detection, such as points, line, mura and other defects. FPD模组制造过程的面板点灯检测除基础的光电响应量测外,还包括寿命及画质缺陷检测,如点、线、mura、异物等缺陷。
Finally, the effect of line defects on photonic band gap was investigated on the two-dimensional photonic crystal. 最后,研究了线缺陷对二维光子晶体禁带的影响。
Computer simulation succeeded in predicting two basic defects in the steady film casting line, i.e. neck-in and edge-bead defects. 计算机模拟成功地预测了稳态生产线上缩颈、哑铃边这两种常见的工艺缺陷。
Basically, early circuit is a cavity or micro-strip structure, but the traditional transmission line structural has unavoidable defects in the circuit design. 早期的电路基本上由腔体结构或者微带结构实现,但是传统传输线自身结构上的缺陷,给电路设计带来了无法避免的困境。
The linear map printing defects can be classified in four species: the dot defects with small area but high gray value, the line defects with small width, location offset defects and surface defects with large area. 2. 并根据地图印刷缺陷像素构成特点,将其分为四类:图形面积较小的点缺陷、宽度较小的线缺陷、位置偏移缺陷和范围较大的面缺陷。
With different space structures, generally, isolated defect and one dimensional continuous defect are defined as point defect and line defect respectively, and two dimensional continuous defects will be called plane defect. 按照空间结构的不同,通常将孤立的缺陷称为点缺陷;一维连续分布的缺陷称为线缺陷;二维连续分布的缺陷称为面缺陷。
Weld line is one of the most common defects in the injection products. It not only influences the appearance quality of the products, but also decreases their mechanical properties. 熔接痕是注塑制品中最常见的缺陷之一,它的存在不仅直接影响制品的外观质量,而且降低了制品的力学性能。