By using the matrix representation of a digraph, some results about the index of convergence and period of a line digraph are obtained.

In this paper, we show that under the condition that the minimum degree is at least 3, the iterated line digraph of a super-arc-connected digraph is super-connected.

本文证明了，在最小度至少为3的前提下超弧连通有向图的迭代线图是超点连通的。

The asso-ciated digraph of a primitive nearly reducible matrix is a primitive minimally strong digraph.

研究本原几乎可约矩阵的k-指数等价于研究本原极小强连通有向图的k-指数。

The exponent of the primitive two-colored digraph D is the minimum value of h+ k taken over all such h and k.

对所有的h和k，h+k的最小值定义为双色有向图D的本原指数。

The Upper Bound and the Index Set for Lewin Index of Primitive Digraph with Girth 2

围长为2的n阶本原有向图的Lewin指数集

We consider the exponents of special nonnegative matrix pairs whose associated digraph consists of two cycles.

文章主要考虑了特殊非负矩阵对的本原指数，其中与该负矩阵对相应的图包含两个圈。

We could regard the city's road net as a weighted directed digraph with some special qualities.

任何一个城市道路交通网可以看作一个赋权有向图。

A methodology of product structure modeling on the basis of weighted digraph was proposed. The storage structure of this model was expressed by node vectors and adjacency matrix. The algorithm of transferring the graphic model into the storage structure was put forward.

提出了用赋权有向图建立产品结构模型的方法，用点向量和邻接矩阵表达了该模型的存储结构，讨论了将图形模型转换为存储结构的算法。

This paper studies the product structure modeling and configuration on the basis of weighted digraph according to several projects about automobile manufacturing informationization, and has developed a prototype system to validate it.

本文结合多个汽车制造企业信息化建设的工程项目，研究了基于赋权有向图的产品结构建模与配置技术，并开发了原型系统进行验证。

According to the theory of chemical equilibrium and the basic concept of graph theory, a weighted digraph method for chemical equilibrium calculation was proposed.

根据化学平衡原理和图论中的基本概念，提出了一种适用于化学平衡计算的赋权有向图。

Website structure was described as an un weighted digraph.

将网站结构抽象为无权有向图。

Table Operations Method for Minimum Spanning Tree Problem in Weighted Digraph

赋权有向图最小生成树的表上作业法

The experimental results prove CCD has been driven and sample image have been acquired using image digitizer ( XRD98L59) and exterior memories. Besides, detection system has accomplished a stable and reliable communication with the main controll system.

最后经过大量的实验，检测系统已成功驱动CCD正常工作，控制图像数字器XRD98L59和外部存储器进行样本数据的采集，与主控制系统建立了稳定、可靠的通信连接。

Rotating drum image scanning digitizer

鼓形图像扫描数字化器

A Method of Reading Images from Image Digitizer with High Speed

图像板图像高速读出方法

In practice, the interleaving technique os usually be used in Order to realize the ultrahigh-speed waveform digitizer with existing low-speed A/ D converters.

在许多实际的数据采集系统中，为利用现有的低速A／D实现超高速数据采集，通常采用前端并行逐行取样，后端串行多路复用技术。

The possibility of using transient waveform digitizer in TOF measurement is discussed, and a test system designed for the research is introduced.

探讨了将瞬态波形数字化技术应用于粒子飞行时间（TOF）测量中的可行性，并介绍了为了进行这一研究而设计的一个测试系统。

Research on High Performance Waveform Digitizer

高性能波形数字化仪的研究

Research on application of transient waveform digitizer in TOF measurement

瞬态波形数字化在飞行时间测量中的应用研究

Studies on variation of lanata C contents in leaves of Digitalis lanata with radioimmunoassay

用放射免疫法研究毛花洋地黄叶中毛花甙C的含量动态

The leaves of the purple foxglove plant contain the drug digitalis. a small amount of digitalis causes the heart to eat more strongly. Digitalis glycosides are potent inhibitors of a fundamental and vital ion transport process, common to most cells.

紫色洋地黄的叶子含有洋地黄这种药。微量洋地黄即可加强心跳。洋地黄强心甙类是大多数细胞共有的基本和重要离子转运过程的强效抑制剂。