The ID3 tag gives you the length of the track only for the part that has been loaded.
ID 3标签只能给出已载入部分的音轨时长。
For example: if you've got a track of 240 seconds that has only been loaded halfway, ActionScript will return 120 seconds for the length property of the sound.
例如：一段时长240秒的音轨，如果只载入了一半，ActionScript的音频长度属性将会返回120秒。
The main experimental parameters studied were the loaded area and the concrete filled length.
试验的主要参数为局部承压面积和管内混凝土填充长度。
The main experimental parameters studied were the loaded area and the concrete filled length.
试验的主要参数为局部承压面积和管内混凝土填充长度。
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