bbn

Analysis and Control of Shape Variation of BBN Surfaces

BBN曲面的形状分析与控制

BBN was later acquired by Raytheon and known as Raytheon BBN .

后来，BBN被雷神（Raytheon）收购，改名为雷神BBN。

A Bayesian Belief Network ( BBN ) is a graphic model that encodes joint probability distribution among uncertain variables , it express a potential dependent relationship between variables .

贝叶斯网是用来表示不确定变量集合联合概率分布的图形模式，它反映了变量间潜在的依赖关系。

The authors firstly outline BBN and probability reasoning , then propose and implement our intelligent tutoring system that uses BBN as student models , and emphasize the structure and functions and probability reasoning algorithm of student models .

对贝叶斯网及其概率推理进行了简述，提出并实现了一种以贝叶斯网为学生模型的智能教学系统，并重点介绍了学生模型的结构、功能和概率推理算法。

Computer-to-computer email got its start in 1968 , when Bolt Beranek and Newman ( BBN ) was hired by the United States Defense Department to work on ARPANET , the precursor to the Internet .

计算机对计算机的邮件最早出现在1968年，当时博尔特·贝拉尼克-纽曼公司受聘为美国国防部研究阿帕网，即因特网的前身。