出色的幻灯片为演说者提供视觉辅助，增强信息传递的效果。
Great slides serve as a visual aid that reinforces the speaker's message.
增强现实技术通过跟踪用户在真实场景中的位置，将计算机生成的图像“叠加”在用户感知的真实世界之上，利用这些辅助信息增强了用户对真实场景中感知能力。
AR is a technology in which a computer-generated image is superimposed onto user's vision in the real world, giving user additional information generated from the computer model.
增强现实技术通过跟踪用户在真实场景中的位置，将计算机生成的图像“叠加”在用户感知的真实世界之上，利用这些辅助信息增强了用户对真实场景中感知能力。
AR is a technology in which a computer-generated image is superimposed onto user's vision in the real world, giving user additional information generated from the computer model.
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