發送短信 : Phase transition accompanied by transformation of an elusive discrete cyclic water heptamer to a bicyclic (H2O)7 cluster

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/ //---`'  | ||__      /   || | || | ||  `____ `  
\ \\___    | ||__     | [] || | \\_/ ||  /___//   
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  `----`   `-----`      -|_||   `---`    /_//     
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