测绘专业英语PDF电子书下载

Lesson One Introduction to Surveying 1

Lesson Two Bubble Tubes 11

Lesson Three Surveying Instruments 21

Lesson Four Theodolites(1) 32

Lesson Five Theodolites(2) 43

Lesson Six Levels 52

Lesson Seven Level Rods and Levels 61

Lesson Eight Electronic Distance Measurements 69

Lesson Nine Errors in Electronic Distance Measurements 77

Lesson Ten Errors in Measurements 85

Lesson Eleven Surveying Field Notes(1) 96

Lesson Twelve Surveying Field Notes(2) 106

Lesson Thirteen Leveling(1) 114

Lesson Fourteen Leveling(2) 122

Lesson Fifteen Profile Leveling 131

Lesson Sixteen Adjustments of Level Circuits 140

Lesson Seventeen Sources of Error in Leveling 149

Lesson Eighteen Traversing 159

Lesson Nineteen Topographic Surveying 172

Lesson Twenty Triangulation 181

Lesson Twenty-one Staking Out(1) 192

Lesson Twenty-two Staking Out(2) 202

Lesson Twenty-three Photogrammetry 212

Lesson Twenty-four Survey Adjustment 228

Lesson Twenty-five The Global Positioning System 236

Appendix Ⅰ Geo-Information Systems 245

Appendix Ⅱ Vocabulary 249