File:京音調值變遷.jpg
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Size of this preview: 800 × 361 pixels. Other resolutions: 320 × 145 pixels | 640 × 289 pixels | 1,024 × 463 pixels | 1,280 × 578 pixels | 2,560 × 1,157 pixels | 7,136 × 3,224 pixels.
Original file (7,136 × 3,224 pixels, file size: 2.49 MB, MIME type: image/jpeg)