This 90 minutes lecture to be delivered via telelink addresses a class of mit undergraduates unrolled in Engineering Design and Rapid prototyping Course. The students have been introduced to the basic optimization concepts of design variables design space, objective function, constraints and numerical search methods. Building on this elementary basis, the purpose of the lecture is to make the students aware of a reaud range of theoretical and practical issues that arise when optimization is applied in real-life engineering. To that end a gamut of topics is presented with emphasis on the qualitative exposition rather than in-depth mathematics. The topics include

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To study Text a in detail( that is,. to get to know the uses of some key words and phrases and to know more about community

Detailed study of the text 1. The idea of helping people comes naturally to most of As might be expected, most of us are willing to help others. Most of us will naturally think of helping others Come to sb. :(an idea) to enter someone's mind

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To study Text A in detail( that is, to get to know the uses of some eh a key words and phrases and to know more aboutrock and roll)

To study Text B in detail that is, to get to know the uses of some key words and phrases and to know about the sources and some

To study Text A in detail( that is, to get to know the uses of some eh a key words and phrases and to know more aboutrock and roll)

外研版（三起）（2012）小学英语六年级下册Module 2 Unit 1 When are we going to eat$%Module 2 Unit 1 When are we going to eat$%习题(1)

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