第一节 项目周期与投资决策程序 第二节 投资机会研究 第三节 初步可行性研究 第四节 可行性研究 第五节 项目评估

一、光的波动性光的干涉、衍射. 二、光波是横波光的偏振. 三、机械横波与纵波的区别

一、光栅 许多等宽度、等距离的狭缝排列起来形成的光学元件

东南大学远程教育：《工程造价分析》课程教学资源（PPT课件讲稿，共三十二讲）

You are the CEO of Coca-Cola. You are responsible for bringing a refreshing taste to zillions of people all over the world, but want to keep the recipe secret from Pepsi’s industrial spies

Diffie-Hellman Diffie-Hellman is a public key distribution scheme First public-key type scheme, proposed in 1976. W Diffie, M E Hellman, \New directions in Cryptography\, IEEE Trans. Information

Public-Key Applications can classify uses into 3 categories: – encryption/decryption (provide secrecy) – digital signatures (provide authentication) – key exchange (of session keys)

Numbers Integers Real Arithmetic Operations Addition and subtraction Multiplication and division Exponentiation and logarithm

Digital Signatures and Message Authentication Code (MAC) overview Suppose Alice and Bob share a secret key k which determines hash function hk Alice sends (x, y) to Bob where y = hk

第一节 会计科目与账户 第二节 借贷记账法