查询词典 Petri dish

Petri Nets-based systems such like SAMOS are able to support concurrency, but such networks are very complex to express and uate.

基于Petri网的系统，像SAMOS能够支持并发性，但是这种网状系统表达和评估是非常复杂的。

Petri net is used in this paper as a mathematical tool to describe the disassembly tree of products and formulate it in self-definition grammar.

运用 Petri网作为数学工具描述产品的拆卸树，并用自定义的语法作形式化的表达，重点研究了选择性拆卸问题。

Proposing a good research thought to resolve the scientific optimizing sequencing problem on air traffic control system based on fuzzy Petri net sequencing algorithm.

算法简单易行，优化效率高，更适合实际的要求，解决空中交通管制系统的科学优化排序问题提供了较好的研究思路。

Keywords: Protocol performance testing, stochastic Petri nets, quality of service, tree and tabular combined notation.

分析了协议性能测试需要解决的主要问题，并以随机Petri网为形式化工具，描述了网络协议的服务质量。

Meanwhile, based on the analysis for a supply chain, which consists of manufacturers and distributors, 14 key factors from supply chain operation are selected and cause-effect relationship between them are simulated, a simple supply chain diagnosis model based on fuzzy Petri net is built.

以制造商、销售商组成的简单供应链为例，选择供应链运作中的14个关键因素，模拟给出其因果关系，建立了基于模糊Petri网的简单供应链诊断模型，通过仿真分析，验证了模型的正确性和算法的有效性。

Some references indicated that the reachability of a Petri net can be analyzed by solving its state equation and judging whether or not there exists a legal firing sequence whose firing number vector is a solution of the state equation, but it is somewhat difficult to achieve.

已有文献提出通过解petri网的状态方程并判定是否存在以它的某个解为发生数向量的合法引发序列来分析petri网的可达性，这往往有一定的困难。

You will need to use other tools and instruments, including stereoscope, microscope, Petri dishes, forceps, slides, slide covers, and filter paper.

本实验提供一套器材与实验材料，你尚须利用其他器材与仪器：包括解剖显微镜、显微镜，培养皿、镊子、载玻片、盖玻片及滤纸。

Investigate the performance analysis of material flow system based on stochastic petri net model.

归纳了建立物流系统仿真模型的方法及仿真算法中的三种基本仿真策略，阐述了研制物流仿真器的目的与意义。

The relationship between stochastic Petri Nets and basic stochastic process is analyzed.

分析了随机Petri网和基本随机过程的关系，讨论了各类随机Petri网的求解方法。

Process expression of a Petri net is a regular expression with the basic subprocess set of the net system as alphabet.

要把进程表达式的概念推广到无界Petri网，会遇到两方面的困难。一方面，由于正规表达式的字母表必须是一个有限字符集，是否可以把一个无界Petri网的各种可能的运行情况都归结为有限个基本子进程的组装？

He studied their excrement for evidence of livestock hair.

他为家畜毛的证据研究他们的粪便。

Loneliness is not grounds for deportation, deportation of the people are not all lonely people.

寂寞也不是放逐的理由，放逐的人也并不都是孤独的人。