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 /_   _// | || | || |      \\  \ \\/ //  |  _ \\  
 `-| |,-  | || | || |  --  //   \ ` //   | |_| || 
   | ||   | \\_/ || |  --  \\    | ||    | .  //  
   |_||    \____//  |______//    |_||    |_|\_\\  
   `-`'     `---`   `------`     `-`'    `-` --`

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發送短信 : Enhancing high-school students' conceptual understanding of the linkages between the earth and trigonometry through an inquiry-based learning unit