查询词典 tracing

Compared with the traditional discrete wavelet transform, the dual tree complex wavelet transform has the properties of approximate shift invariance and more directionality. These properties are good for tracing, locating and preserving image features.

与常用的离散小波变换相比，该方法具有逼近的平移不变性和更多的方向选择性，有利于特征的跟踪、定位和保留。

On the basis of study on dynamic data exchange,the method to the problem of a large number of ray tracing was discussed. The DDE of Matlab and Zemax and optical control integrated analysis in opto-mechanical system were implemented.

在研究动态数据交换技术的基础上，探讨了大数目光线追迹问题的解决方案，实现了Matlab和Zemax的动态数据交换和光机系统的光控集成分析，达到了光机系统光机控制集成分析的目的。

By retrograde tracing with CT-HRP,the localization of the sympathetic efferent neurons innervating pancreas of chicken was studied.

用霍乱毒素结合辣根过氧化物酶逆行追踪法对鸡胰腺的交感传出神经元的定位进行了研究。

Back in the fifties Tom Eisner, a colleague of mine, and I did I believe the first experiments tracing radio-active labelled sugar-water through colonies of ants.

答：在50年代我的同事Tom Eisner跟我做了我认为是最早的使用放射性标记的糖水探查蚁群的试验。

Printing Type:Ink roll; electric eye for tracing; automatic printing

打印方式：采用固体墨轮，电机驱动，电眼跟踪自动打印。

According to the principle of the IP address embezzlement the system realizes the real-time network monitoring by collecting and analyzing the data collected from the routing and switching equipment.After tracing and locating the IP embezzler's sited it isolates them from the network based on the port management supported by the switches. ARP ; RARP ; IP address ; MAC ; IP management

该模块实现了对网络的自动实时监控，将对IP地址的盗用管理变被动为主动，有效地提高了管理效率，保障了合法用户正常使用网络的权利。2系统分析和技术研究2·1需求分析目前常用的IP地址盗用方法包括：修改静态IP地址；成对地修改IP地址和MAC地址；动态修

The main research work of this paper are focused on following areas:(1) Based on review of the theory and methods on measurements of particle fields, a new idea for obtaining particle size and velocity distribution within a spray through imaging the particle field with a laser light sheet was put forward;(2) A DPIV (Digital Particle Image Velocimetry) system, is fit for velocity measurements of low speed flows, was developed and expended to particle size distribution measurement;(3) An arithmetic for particle velocity field reconstruction was developed, and the velocity distribution of water mist was also obtained;(4) A software system for particle analysis, which based on image geometry emend, de-noise and image partition was developed, the parameters such as particle size distribution, mean diameter, number of particles, minimum and maximum diameter can be got with this system;(5) A water mist system was developed and its characteristics, such as droplet velocity, size distribution, number of droplets and spray cone angle under different conditions were obtained from experiments with PIVS;(6) The measurement results of water mist characteristics with PIVS were compared and analyzed with the simply simulated results, and in addition, in order to verify the accuracy of PIVS, some experiments were conducted with the standard particles, such as glass-ball with known mean diameter of 50μm and 115μm, metallic coated tracing particle with mean diameter of 12μm;(7) Some experimental studies on interaction of water mist with liquid pool fires were conducted.

本论文的主要工作包括以下几个方面：（1）在对粒子场测量的相关理论和具体方法进行综述分析的基础上，提出了通过采用激光片光对粒子场进行成像以获取其粒径和速度等参数分布的新思路；（2）研制了适宜于低速流动速度场测量的DPIV(Digital Particle Image Velocimetry)系统，并使其实现了对粒子场粒径分布的测量功能；（3）研制了基于粒子运动轨迹的速度场重建算法，获取了细水雾雾场的速度分布；（4）研制了基于几何校正、去噪、图象分割等图象处理方法的"粒度分析软件系统"，该系统既可分析给出粒子场的粒径分布直方图和平均粒径，还可给出粒子的数目以及最大、最小粒径等信息；（5）建立了一细水雾发生系统，并应用上述方法对不同压力条件下细水雾系统的雾场特性（如速度分布、雾滴粒径分布、雾滴的数目、喷雾张角以及雾化长度等）进行了实验测量研究；（6）对细水雾特性参数的PIVS测量结果与计算机简单模拟计算结果进行了定性比较分析，并利用平均粒径为50μm和115μm的玻璃球以及12μm的标准示踪粒子对PIVS系统的粒径和速度测量结果进行了实验验证，同时对其局限性进行了分析讨论；（7）对不同工况条件下细水雾与油池火相互作用的过程进行了模拟实验研究。

With that, emphases were be put on the basic principle、methods and its advantages in the study on the characteristic of the microcell based on ray tracing method of determinate analysis means.

接着重点阐述了利用射线跟踪技术这种确定性的分析方法预测无线电波传播特性的基本原理、方法，以及它在微蜂窝小区的电波传播特性研究中的优势。

More practical ray tracing methods currently include the wavefront method, the shortest path method, the travel time epenthesis method, the eikonal equation finite difference method, etc.

当前实用性较强的射线追踪方法，包括波前法，最短路径法，走时插值法，程函方程有限差分法等。

In the end-to-side group, the cutaneous antebrachii medialis nerve was transected, then an 1 mm epineural window was created on the ulnar nerve. Distal end of CAM nerve was sutured to the windowed ulnar nerve by means of end-to-side neurorrhaphy. In the normal control group, CAM and ulnar nerves were exposed. One year post-operatively, evaluations including acetylcholinesterase stain and retrograde Fluoro-Gold neuron tracing were conducted.

端侧缝合组切断前臂内侧皮神经，尺神经后内侧方外膜开窗，将前臂内侧皮神经和开窗的尺神经外膜做端侧缝合，正常对照组仅显露前臂内侧皮神经和尺神经。1年后采用乙酰胆碱酯酶染色和Fluoro-Gold荧光逆行示踪技术，观察和计数前臂内侧皮神经纤维和大鼠脊髓C5~T1前角和背根神经节神经元。

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。