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 __   _      ___     _    _     _____     ______  
| || | ||   / _ \\  | \  / ||  |  ___||  /_   _// 
| '--' ||  | / \ || |  \/  ||  | ||__      | ||   
| .--. ||  | \_/ || | .  . ||  | ||__     _| ||   
|_|| |_||   \___//  |_|\/|_||  |_____||  /__//    
`-`  `-`    `---`   `-`  `-`   `-----`   `--`

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發送短信 : Stable isotope geochemistry. (6th ed.)