Joke Collection Website - Talk about mood - Quasicrystal 1 flying from outer space, what is introduced in the first paragraph, please elaborate? (4 points) 2. What is the main explanation method for the first paragraph?
Quasicrystal 1 flying from outer space, what is introduced in the first paragraph, please elaborate? (4 points) 2. What is the main explanation method for the first paragraph?
The first paragraph: Quasicrystals have a special structure, unlike ordinary crystals.
Description method: number of columns and contrast effect: quasicrystals can be introduced in more detail.
The second paragraph: Quasicrystals are likely to come from outside the earth, but how to form them remains to be verified.
Description: column number function: quasicrystals are more mysterious
The third paragraph: The meteorite containing quasicrystals is probably caused by a high-speed impact event on the planet in extreme environment.
Objective: To introduce quasispar and let more people know about it.
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