In their speech, I found all of them had made full use of the present time and conditions to prepare for the future and used the known factors to challenge the unknown ones.
在他们的演讲中，我发现他们都充分利用了现在的时间和条件来为未来做准备，用已知的因素来挑战未知的因素。
The proposed system is designed to work with noisy input speech and unknown channel frequency response.
我们所设计的系统为的是工作在噪声化输入语音和不明信道频率响应中的。
For unknown accented speech, by means of the logarithmic scores associated with each system and the maximum likelihood criterion, automatic accent classification of non-native speech can be made.
对于未知语音，根据各识别系统的概率得分，采用最大概率准则进行口音的分类判决。
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