农业工程英语PDF电子书下载

Unit 1 1

Part A Fundamentals of Mechanical Design 1

Part B Design Hints 5

Unit 2 10

Part A Engineering Design and Safely Factors 10

Part B Design Methodology 15

Unit 3 19

Part A Engineering Drawings and Dimensions 19

Part B Milling Methods 25

Unit 4 29

Part A Machine tools 29

Part B Secondary Production Processes 34

Unit 5 40

Part A Development from CAD/CAM to CIM 40

Part B Tomorrow's Manufacturing Technologies 45

Unit 6 51

Part A The Basic Principle of Hydraulic System 51

Part B Engine System 55

Unit 7 61

Part A The Fundamental Theory of Automobile Engine 61

Part B Clutch 65

Unit 8 71

Part A Layout of an Automobile 71

Part B An Introduction of Farm Tractor 75

Unit 9 80

Part A Moldboard Plows 80

Part B An Introduction to Precision Farming 83

Unit 10 91

Part A Electrostatic Forces and the Structure of Matter 91

Part B The Diode as a Circuit Element 95

Unit 11 101

Part A Electric Current—Eelectromotive Force—PotentialDifference—Conductors and Insulators—Ohm's Law 101

Part B Transistor Characteristics 105

Unit 12 112

Part A Electrical Energy and Power—Electric Circuits 112

Part B Graphical Analysis of the CE Configuration of Low-Frequency Amplifiers 116

Unit 13 121

Part A Electrostatics—Electric Fields—Capacitance—Capacitors 121

Part B Sequential Digital Systems 126

Unit 14 130

Part A Magnetism 130

Part B Periodic Signals 134

Unit 15 142

Part A Magnetic Flux—Permeability—Magnetic Circuits—Induced Electromotive Force—Self and Mutual Inductances 142

Part B The Fourier Transform 146

Unit 16 154

Part A Alternating Currents and Voltages 154

Part B The Laplace Transform 159

Unit 17 164

Part A Phasors and Complex Calculations—A.C.Power and Power Factor 164

Part B The Introduction of Artificial Neural Systems 168

Unit 18 171

Part A Transformers 171

Part B Comparing Real and Artificial Neural Systems 175

参考译文 181

Keys to Exercises 210

参考文献 226