【判断题】判断题:对于振荡系统,响应从零开始第一次到达稳态值所需的时间称为峰值时间。
【单选题】1949年,()发表了题为《保密系统的通信理论》的文章,为密码技术的研究奠定了理论基础,由此密码学成了一门科学。
【判断题】● The introduction of an argumentative essay must establish an argumentative opinion about the focus. This argumentative opinion is called the thesis of the argument.
【多选题】结构的布置要根据体系特征,荷载分布情况及性质等综合考虑.一般要做到:刚度均匀;力学模型清晰;传力路径直接; 柱间抗侧支撑的分布应均匀,其形心要尽量靠近侧向力(风、震)的作用线, 否则应考虑结构的扭转;结构的抗侧应有多道防线;框架结构的楼层平面次梁的布置,有时可以调整其荷载传递方向以满足不同的要求。
【简答题】What’s your opinion on economic globalization?write and essay at least 200 words
【简答题】1949年 发表了“保密系统的通信理论”一文,这篇文章奠定了密码学的理论基础,推动着密码学从艺术向科学的转变。
【单选题】1949年 发表了“保密系统的通信理论”一文,这篇文章奠定了密码学的理论基础,推动着密码学从艺术向科学的转变。
【简答题】Here is an essay question where you have to give your opinion. Can you find out a proper thesis statement for it? Introduction:A. This essay will yse the most important causes of traffic congestio...
【单选题】Why is the short story entitled The Discus Thrower?
A.
Because t he patient throws a plate every day.
B.
Because t he plate of srambled eggs is just like a discus .
C.
Because t he patient wants to become a discus thrower and he practises evry day .
D.
Because t he patient wants to prove that he is still alive and has vitality.
【单选题】1949 年 发表了“保密系统的通信理论”一文,这篇文章奠定了密码学的理论基础,推动着密码学从艺术向科学的转变。