The primitive symbols of E are those of F, plus the symbol ∃. The formation Rules of E are those of F, plus the following If B is a wff of E and x is an individual variable, then ∃xB is a wff of E. The axiom schemata of E are those of F plus

7-3自然法 1.弧坐标形式的运动方程 f(t)= s() 2.自然轴系 (1)曲线的曲率

多项式的性质 利用带余除法我们得到下面常用的定理 定理7(余数定理)用一次多项式x-a去除多项式f(x),所 得的余式是一个常数这个常数等于函数值f(a) 证明用x-a去除f(x),设商为q(x),余式为一常数c

1.结合C2的形成,说明共价健形成的条件共价键为什么有饱和性? 2.利用图7-4(b)写出F2分子的电子构型,F2

一、描述连续系统的微分方程如下,写出各系统的状态方程和输出方程。 (1)y(t)+5y2(t)+7y(t)+3y(t)=f(t) (2)y2(t)+4y(t)=f(t) 二、描述连续系统的系统函数如下,画出其直接形式的信号流图,写出其相应的状态方程和输出方程

§3-6 常用信号的傅里叶变换（广义 F.T. 广义谱） §3-7 周期信号的傅里叶变换（广义 F.T. 广义谱） §3-8 傅里叶变换性质——信号时域波形与频域频谱的关系

Chapter F13 Power notes Bonds Payable and Investments in Bonds Learning Objectives 1. Financing Corporations 2. Characteristics of Bonds Payable 3. The Present-Value Concept and Bonds Payable 4. Accounting for Bonds Payable 5. Bond Sinking Funds 6. Bond Redemption 7 Investments in bonds 8. Corporation Balance Sheet 9. Financial Analysis and Interpretation

Chapter F9 Power notes Fixed Assets and Intangible Assets Learning objectives 1. Nature of Fixed Assets 2. Accounting for Depreciation 3. Capital and Revenue Expenditures 4. Disposal of Fixed Assets 5. Leasing Fixed Assets 6. Internal Control of fixed assets 7 Natural resources 8. Intangible Assets 9. Financial Reporting 10. Financial Analysis and Interpretation

3.1停时(可选时) 设(Q,F,P)为基本概率空间,参数集T或为R=[0∞)或为Z+={012}, 令,t∈T为一簇上升的o-域,即对一切s,t∈T,s<,7ccF 定义3.1.1:取值于R=RU{+∞}或Z=Z+∞}上的随机变量称为(相对 于-域F)停时(可选时)(stopping time or optional time),如果对每个 t∈R,{w:t(w)≤t}={st}e,(或者对每个n∈,≤n}n) 对于离散时间的停时有另外一个刻划:为停时若对每个

F= = F + “ = ” + 2 Axiom Schemata Axiom Schema 6 x = x. Axiom Schema 7 x = y ⊃ (SzxA ⊃ SzyA) where A is an atomic wff. A first order theory is a first-order theory with equality if it has a binary predicate = such that the wffs above are theorem of the theory