Sound can be used in strategic parts of the program or during a movie to emphasize certain points. This may include speech, __________(音效)ambient sound and music.
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Interactive elements can include: voice command, mouse manipulation,________(文本输入)touch screen, video capture of the user, or live participation.
Multimedia can be used wherever you have a human interface with _________________(电子信息).
You can control. You can interact. You can do a ___________________(多媒体演示)to your own needs.
1.车床是利用工件的__________运动和刀具相对工件的__________运动来完成切削加工的。前者叫____________________运动,后者叫____________________。