其它情况下的两字组连调则与语音环境和语法结构有关。

Tone sandhi of the disyllables in other conditions is relevant to the phonetic environment and the grammatical structure.

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目前，汉语连续语音识别在纯净语音环境下，已经取得了较好的识别效果。

At present, Chinese continuous speech recognition has got a good performance in pure speech environment.

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在不同的语音环境中能够代表同一个音位的不同音素叫作音位的音位变体。

Allophone: The different phones which can represent a phoneme in different phonetic environments are called the allophones of that phoneme.

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