Now that the technology has developed to high-definition, 4K, how many people will see standard-definition television and movies? Content is important, video quality is also very important, I believe the teacher to open a micro-teaching, in the end only to see their own portrait in the small corner of the PPT, true three-dimensional virtual admiration system, speak to speak .......................
It takes a very long time for the teacher to do a web-based course. The development of technology is very fast. We recorded the video. Why did we not show it to the students once?
Demand
Room: 4 meters * 5 meters
Equipment Manager: 1 person (can be used for multiple classrooms)
After the administrator completes the debugging in advance, save the settings, simply train the teacher to switch on and off, and retrieve his own name settings.
Teacher 1: Teacher
Lectures need to be prepared in advance
PPT should be 16:9
Do not wear green color clothing, the teacher's clothing color should not be too pure, the brightness should not be too high, such as light yellow, white dress. Otherwise, the face will change to "black" on the TV screen. The TV screen is a horizontal scanning. It should try to avoid wearing a square lattice clothing, otherwise the TV screen can easily flash, causing crawling, 4K virtual admiralty classrooms, affecting the picture quality.
Do not wear green color clothing, the teacher's clothing color should not be too pure, the brightness should not be too high, such as light yellow, white dress. Otherwise, the face will change to "black" on the TV screen. The TV screen is a horizontal scan. It should try to avoid clothing that wears a square lattice. Otherwise, the TV screen may flicker, cause crawling, and affect the picture quality.
2. Teacher recording process
Copy PPT to designated computer
Boot device - check if it is normal boot
Recall teacher name setting parameters
Put on the MIC and stand in front of the green screen
See the return signal (TV) normal
Press the touch screen to start the recording button, the virtual motto production system, start recording
After PPT is finished, press stop
Continue to next lesson recording
After all the ends, take out the recording memory card and copy the video
3. Shutdown
4k virtual admission system, new information offer (high quality business)
In 2013, the "American Philosophical Society" (APA) Eastern Conference Center. I quickly walked into the banquet hall. In accordance with the usual practice, guests will be allowed to leave a small amount of free time before the dinner, commonly known as the cocktail moment. Everyone gathers in groups, tasting, smoking, chatting and enjoying a moment. For me, this arrangement is really considerate. When I entered the hall, I looked around and found that there were many job seekers around. Even though they all seemed to learn and knew how to do it, they were frowning and worried. To be honest, I was really not confident in front of these people. All of them are from Koban and hold at least one doctorate in their hands. And I'm just a philosopher amateur, and all the professional training I've acquired in this area is limited - only including the one-year reinforcements offered by MO. In addition, I also participated in a number of other free e-learning projects on a loose basis, provided that I had free time in my free time.
In 2012, by chance, a course introduced on Twitter caught my attention. This is a free resource provided by Duke University to the world free of charge through the Coursera admonishing platform. The subject of the course is very interesting - "Rethinking: How to reason and argue". The content roughly involves knowledge of logic and forensics. I registered this course with a try and completed the homework in accordance with the teaching standards. Before the end of the course, the lecturer and professor released the content of the exam and asked each learner to participate in a field survey. The score of the survey report was the final exam score. After graduating successfully, I clearly realized that a new and highly promising transformation is quietly emerging in the traditional education field and has a strong momentum.
Vegetable Processing Line
Vegetable processing methods There are methods such as canning, drying, pickling and quick freezing. The canning of vegetables is to put pretreated vegetables such as cleaning, peeling, cutting and blanching into sealed containers such as tinplate cans and glass bottles. A method of killing or inhibiting the growth of microorganisms in order to preserve vegetables for a longer period of time. Drying is a processing method that uses heat to dehydrate vegetables, that is, natural drying or artificial drying to increase the concentration of soluble substances in vegetables to a level that is difficult for microorganisms to use.
Vegetable processing methods There are methods such as canning, drying, pickling and quick freezing. The canning of vegetables is to put pretreated vegetables such as cleaning, peeling, cutting and blanching into sealed containers such as tinplate cans and glass bottles. A method of killing or inhibiting the growth of microorganisms in order to preserve vegetables for a longer period of time. Drying is a processing method that uses heat to dehydrate vegetables, that is, uses natural drying or artificial drying to increase the concentration of soluble substances in vegetables to a level that is difficult for microorganisms to use.