有时候说一门外语很难，因为我们可能不理解另一文化的非语言信号。

Speaking a foreign language is sometimes difficult because we may not understand the non-verbal signals of another culture.

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语音识别技术是一门涉及信号处理技术、模式识别、概率论和信息论、语音学、人工智能等多种学科的交叉科学。

Speech Recognition Technology is related to Signal Processing, Pattern Recognition, Probability and Information Theory, Speech Subject and Artificial Intelligence and so on.

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《数字信号处理》是电子信息类专业的一门重要专业基础课。

"Digital Signal Processing" electronic information is an important professional basic course.

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The signal comes in the form of molecules which we're going to call throughout the lecture here 'ligands'.

信号通常以分子的形式来传递,在这门课里我们把这种分子叫做配体

耶鲁公开课 - 生物医学工程探索课程节选