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Text A What Is Big Data? 1 New Words 4 Phrases 6 Abbreviations 7 Analysis of Difficult Sentences 7 ²Î¿¼ÒëÎÄ£ºÊ²Ã´ÊÇ´óÊý¾Ý£¿ 8 Text B Structured Data, Unstructured Data and Semi-structured Data 11 New Words 15 Phrases 17 Abbreviations 18 ²Î¿¼ÒëÎÄ£º½á¹¹»¯Êý¾Ý¡¢·Ç½á¹¹»¯Êý¾ÝºÍ°ë½á¹¹»¯Êý¾Ý 18 Exercises 22 Reading Material Top 9 Big Data Applications Across Industries 24 Text A Database Basics 28 New Words 30 Phrases 31 Abbreviations 31 Analysis of Difficult Sentences 32 ²Î¿¼ÒëÎÄ£ºÊý¾Ý¿â»ù´¡ 32 Text B What Is a Data Warehouse? 34 New Words 38 Phrases 39 Abbreviations 40 ²Î¿¼ÒëÎÄ£ºÊ²Ã´ÊÇÊý¾Ý²Ö¿â£¿ 40 Exercises 42 Reading Material Data Mart 44 Text A Data Collection 49 New Words 52 Phrases 53 Analysis of Difficult Sentence 54 ²Î¿¼ÒëÎÄ£ºÊý¾ÝÊÕ¼¯ 54 Text B 5 Reasons Why You Should Store Big Data in the Cloud 57 New Words 59 Phrases 60 Abbreviations 60 ²Î¿¼ÒëÎÄ£ºÓ¦½«´óÊý¾Ý´æ´¢ÔÚÔÆÖеÄ5¸öÔ­Òò 60 Exercises 62 Reading Material Big Data Backup 64 Text A Data Preprocessing 67 New Words 71 Phrases 72 Abbreviations 73 Analysis of Difficult Sentence 73 ²Î¿¼ÒëÎÄ£ºÊý¾ÝÔ¤´¦Àí 74 Text B Data Transformation 77 New Words 79 Phrases 81 Abbreviations 81 ²Î¿¼ÒëÎÄ£ºÊý¾Ýת»» 81 Exercises 84 Reading Material Big Data and Machine Learning 85 Text A ELT 90 New Words 93 Phrases 94 Abbreviations 95 Analysis of Difficult Sentence 95 ²Î¿¼ÒëÎÄ£ºÌáÈ¡¡¢¼ÓÔغÍת»» 96 Text B Big Data Analytics 99 New Words 102 Phrases 103 ²Î¿¼ÒëÎÄ£º´óÊý¾Ý·ÖÎö 104 Exercises 106 Reading Material Skills Needed by a Data Analyst 108 Text A Data Mining 113 New Words 116 Phrases 117 Abbreviations 118 Analysis of Difficult Sentences 118 ²Î¿¼ÒëÎÄ£ºÊý¾ÝÍÚ¾ò 119 Text B Best Data Mining Tools 121 New Words 126 Phrases 126 Abbreviations 127 ²Î¿¼ÒëÎÄ£º*¼ÑÊý¾ÝÍÚ¾ò¹¤¾ß 127 Exercises 131 Reading Material Data Lake 133 Text A Some Popular Data Science Programming Languages 137 New Words 140 Phrases 141 Abbreviations 142 Analysis of Difficult Sentences 142 ²Î¿¼ÒëÎÄ£ºÒ»Ð©Á÷ÐеÄÊý¾Ý¿Æѧ±à³ÌÓïÑÔ 143 Text B Hadoop vs. Spark 145 New Words 150 Phrases 151 Abbreviations 151 ²Î¿¼ÒëÎÄ£ºHadoopÓëSpark 151 Exercises 155 Reading Material Hadoop Big Data Processing 157 Text A Data Visualization 162 New Words 166 Phrases 167 Abbreviations 168 Analysis of Difficult Sentences 168 ²Î¿¼ÒëÎÄ£ºÊý¾Ý¿ÉÊÓ»¯ 169 Text B 10 Best Data Visualization Tools 172 New Words 175 Phrases 176 Abbreviations 176 ²Î¿¼ÒëÎÄ£º10¸ö*¼ÑÊý¾Ý¿ÉÊÓ»¯¹¤¾ß 177 Exercises 180 Reading Material Top 9 Job Roles in the World of Data Science 182 Text A Big Data Security 186 New Words 190 Phrases 192 Abbreviations 192 Analysis of Difficult Sentences 192 ²Î¿¼ÒëÎÄ£º´óÊý¾Ý°²È« 193 Text B Data Protection and Data Privacy 196 New Words 200 Phrases 201 Abbreviations 201 ²Î¿¼ÒëÎÄ£ºÊý¾Ý±£»¤ºÍÊý¾ÝÒþ˽ 201 Exercises 204 Reading Material Big Data Privacy 206 Text A 10 Big Data Trends 210 New Words 213 Phrases 215 Analysis of Difficult Sentences 215 ²Î¿¼ÒëÎÄ£º´óÊý¾ÝÊ®´óÇ÷ÊÆ 216 Text B Big Data in the Cloud 219 New Words 222 Phrases 223 Abbreviations 223 ²Î¿¼ÒëÎÄ£ºÔÆÖеĴóÊý¾Ý 223 Exercises 226 Reading Material Skills Required to Become a Big Data Developer 228