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  / ___//   / _ \\  | \  / || | || | ||  |  _ \\  
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`-----`     `---`   `-`  `-`    `---`    `-` --`

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發送短信 : 声调的不稳定性在新加坡华语里不同年龄层的表现 = A SURVEY OF TONAL INSTABILITY IN SINGAPORE MANDARIN OVER A SPECTRUM OF AGES