Which command lists all volumes managed by Podman?

• A.podman volume ls
• B.podman volumes
• C.podman list volumes
• D.podman storage list

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Which of the following belongs to the optimizer in gradient descent? (Multiple choice)

• A.momentum
• B.Adaboost (Ensemble learning idea)
• C.Adagrad (Adaptive Gradient Descent Optimizer)
• D.Adam (improved version of the optimizer)

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In which of the following scenarios may the speech recognition effect be poor? (Multiple choice)

• A.Far-field microphone
• B.Multiplayer scenario
• C.Low noise scene
• D.High noise scene

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What is the role of ModelArts development environment?

• A.Data preparation
• B.Code Prediction
• C.Training
• D.Prediction

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The purpose of speech signal preprocessing () is to emphasize the high-frequency part of speech, remove the influence of lip radiation, and increase the high-frequency resolution of speech (please fill in Chinese)

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