What are some examples of extracurricular sentences?

First, the Antarctic climate is not only manifested in strong winds and severe cold, but also in its unpredictability, which is often unexpected and unpredictable. For example, 1970, there are six US Navy transport planes, full of people and materials preparing for the winter, flying from New Zealand to McMurdo base. The first five planes arrived at the airport safely. However, when the sixth plane had only the last 40 minutes of flight time, a storm suddenly appeared and the pilot was forced to land. As a result, the huge C- 130 transport plane was shaken by the strong wind, lost control, broke a wing and damaged the landing frame. Fortunately, all eight people escaped. There are many examples like this in Antarctic activities. (Wei, The Power of Climate)

Second, the laser recording market appeared in the late 1970s. Its shape is similar to that of ordinary records. Despite his ugly appearance, he has a lot of skills-he can record 6.5438+0.08 million images. If a book has 300 pages, you can store 120 such books. Later, digital technology was further adopted, and each video disc can record 3,200 books. This amazing information storage capacity is beyond the reach of ordinary books, and it was simply a dream in ancient times. It is worth mentioning that the DVD has dual-channel recording, which can provide different information and meet the requirements of readers at different levels. For example, doctors and nurses listen to different channels, each taking what they need and not interfering with each other. ? (The Book of the Future)