1.1用真值表证明下列恒等式 (1)⊕B=A⊙B=AB1 (2)A(B⊕C)=AB⊕AC (3)(A+B)(A+C)(B+C)=(a+B)(a+C)

System Concept Need (technology Pull Technologies can fulfill need or requirement a Technologies can overcome barriers(imitations, constraints, etc. Opportunity(Technology Push) a Technologies can Create Opportunities

Liabilities Definition Macintosh PICT image format is not supported A liability is probable future payment of assets or services that company is presently obligated to make as a result of past transactions or events

Summary textbook: Varian, Hal R., 1992, Microeconomics Analysis, 3rd ed. Mas-Colell, A., M. Whinston, and J. Green, 1995, Microeconomics Theory. assignments: twice a week; Team work; Deliver on the class

Compounding is a process of word formation by which two independent words are put together to make one word. The word formed in this way is c a lled co mpo und

3Newton's' rings牛顿环 equipment: microscope A-a lens of radius of curvature R B-an accurately plane glass plate Interference pattern:

概率论与数理统计模拟题(3) 一填空题 1.对于任意二事件A和B,有P(A-B)=() 2设、xg已知=x

2.3逆矩阵 定义:对于Ann,若有Bn满足AB=BA=E,则称A为可逆矩阵, 且B为A的逆矩阵,记作A-1=B. 定理1若A为可逆矩阵,则A的逆矩阵唯一 证设B与C都是A的逆矩阵,则有

An ideal transformer is a useful approximation of a very tightly coupled transformer in which the coefficient of coupling is almost unity and both the primary and secondary inductive reactance are extremely large in comparison with the terminating impedance

Let's play a game Instruction swing the rope I touch your shoulders 9. snatch the ball 2. bend your knees 10. bowl the ball 3 serve the ball 11. throw the ball