Induction(归纳法 Back Specific details: Mysterious facts recorded 1. At 2 PM on December 5, 1945. five Navy aircraft took off in perfect flying weather, on a routine training mission over the Atlantic Ocean. Less than two hours later, the flight commander radioed that he was "completely lost". Then there was silence. 2. A rescue plane was sent to search for the missing aircraft, and it, too, disappeared without trace. 3. A most extensive search effort, involving more than 300 planes and dozens of ships, found nothing, not even an oil stain floating on the water (Para. 1) > moreBack Induction (归纳法) 1. At 2 PM on December 5, 1945, five Navy aircraft took off in perfect flying weather, on a routine training mission over the Atlantic Ocean. Less than two hours later, the flight commander radioed that he was “completely lost”. Then there was silence. 2. A rescue plane was sent to search for the missing aircraft, and it, too, disappeared without trace. 3. A most extensive search effort, involving more than 300 planes and dozens of ships, found nothing, not even an oil stain floating on the water. (Para. 1) Specific details: Mysterious facts recorded >>>more