名词中文翻译
中文翻译：长度不定记录
同义词：
['unspecified record', 'variable record']
例句：
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1.The length of the record is unknown.
这段录音的长度未知。
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2. The data was recorded in a variable length format.
数据是以可变长度格式记录的。
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3. The recordings were made over a period of time, with varying lengths.
这些录音是在不同时间段内录制的，长度各不相同。