Learning objectives Introduce explore orthogonality Study the standard oas Practice computing dOF of an experiment Learn how to select a standard oa Introduce means to modify Oas Consider studying interactions in Oas Robust System Design

由牛顿—莱布尼兹公式知:计算定积分f(x)d 的关键在于求出f(x)在[a,b]上的一个原函数F(x);而由 第五章知求函数的原函数(即不定积分)的方法有凑微分法、 换元法和分部积分法.因而在一定条件下,也可用这几 种方法来计算定积分

连续函数是非常重要的一类函数也是函数的一种 重要的性态然界中的许多变量都是连续变化着的,即 在很短的时间内,们的变化都是很微小的这种现象反 映在函数关系上,就是函数的连续性;对函数曲线来说 就是从起点开始到终点都不间断 函数增量(改变量) 设函数y=f(x,当x从x变到x1时,自变量的改变 量(在x处的增量)记为A=xrx2.相应的函数从x 变到(x)时,其函数值之差

I, Aims and Requirements 1 To review the classification of sentences 2 To let the ss know the location combination and the choice of relative pronouns and adverbs 3, To remember some typical sentences and learn by analo I、 Key points: The choice of relative pronouns and relative adverbs I、 Difficult points:

Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said Both the conversation and the question will be spoken only once. After each question there will be pause. During the pause, you must read the four choices marked), B), C)and D),and

Part I Listening Comprehension(20 minutes) Directions: In this section, you will hear ten short conversations. At the end of each conversation, a question will be asked about what was said. both the conversation

Part I Listening Comprehension (20 minutes) Directions: In this section, you will hear ten short conversations at the end of each conversation, a question will be asked about what was said. both the conversation

Part IListening Comprehension (20 minutes) Directions: In this section, you will hear ten short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation

Directions: In this section, you will hear ten short conversations. At the end of each conversation, a question will be asked about what was said. both the conversation

试题一及答案 Part I Listening Comprehension (20 minutes) Section A Directions: In this section, you will hear 10 short conversations. At the end of each conversation, question will be asked about what was said. Both the conversation and the question