With the consideration of the web service access control requirement, this thesis describes a lightweight authorization service to solve service access control, Uniform Security Authorization Service ( USAS).

Tactical Decision Method for BVR Air Combat Based on Rough Set Theory and Bayesian Network

基于粗糙集理论与贝叶斯网络的超视距空战战术决策

A Tactical Decision Support System for BVR Air Combat Based on Neural Network

基于模糊神经网络的超视距空战战术决策研究

Design and Simulation of Multi targets BVR Attacking Fire Control System

多目标超视距攻击火控系统设计与仿真

In BVR attack, the compound guidance system with inertial guidance in the middle stage and active guidance in the terminal stage must be adopted.

进行超视距攻击，必须采用中段惯性制导和末段主动制导相结合的复合制导体制。

...the United States Air Force...

美国空军

His theory of the social contract had wide currency in America

他的社会契约论在美国广为认可。

I lived in America when I was little.

我小时候生活在美国。

Her grandfather had worked his passage to America.

她的祖父一路在船上打工支付船费来到美国。

After 20 years in America, I still feel my roots are in England.

尽管在美国生活了20年，我还是觉得我的根在英格兰。

Rattlesnakes occur in the warmer, drier parts of North America.

响尾蛇出现在北美温暖干燥的地区。

Fate decreed that she would never reach America.

命中注定她永远到不了美国。

The singer has become a cult figure in America.

那位歌手在美国已成为人们狂热崇拜的偶像。

It's the fifth time that I've been to America.

这是我第五次去美国了。

The proportion of small cars on America's roads is increasing.

美国公路上小汽车的比例在逐渐增加。

Once I'm in America I can get a job

我一到美国就能找到工作。

His son went to a top university in America.

他的儿子上了美国的一所顶级大学。

These ideas are nothing new in America.

这些观念在美国毫不新鲜。

They had escaped to America shortly before war broke out in 1939.

1939年战争爆发前不久他们逃到了美国。

The local branch of Bank of America is handling the accounts

美国银行在当地的分行正在处理这些账目。

The crunch came when she returned from America.

她从美国回来以后，危机就出现了。