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

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發送短信 : Elements of Physical Chemistry. (5th ed.)