video assisted instruction 视频辅助指令 ; 视频帮助指令
VAI Video Assisted Instruction 视频辅助指令
two-way video instruction system 双向视频教学系统
video case for instruction 视频教学案例
Instruction video shot can be classified as platform shot and student shot.
对教学录像视频,把其镜头分为讲台镜头和学生镜头。
I practiced my speech in front of a video monitor, did a walk-through of how it would be staged, received instruction on where to stand, where to wave, and how to best use the microphones.
我在视频监视器前面练习我的演讲,做了一个初排,分析该怎么样开场,被指导该站在哪里,该在哪里挥手和最佳的使用话筒的方法。
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