Which of the following belongs to the content of linguistics? (Multiple choice)

• A.Vocabulary
• B.Text
• C.Grammar
• D.Voice

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Which of the following layers does a convolutional neural network usually contain? (Multiple choice)

• A.Fully connected layer
• B.Output layer
• C.Input layer
• D.Convolutional Layer

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If a model has a small deviation and a large variance on the test set, which of the following does it belong to?

• A.Underfitting
• B.It may be overfitting or underfitting
• C.Exact fit
• D.Overfitting

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What are the time domain parameters of speech signals? (Multiple choice)

• A.Short-term zero-crossing rate
• B.Short-term energy
• C.Short-time average amplitude difference function
• D.Short-term autocorrelation coefficient

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