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稀土是什么?“中东有石油,中国有稀土”!了解中国稀土的重要性
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Stickman vs. Math (First Draft) Unreleased 1st Draft
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Stickman VS Mathematics, but MC is reproduced
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Introduction to the lucky draw of Cat and Mouse Mobile Game
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How to draw a circle?
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Small workshop, big stuff! 142
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Mathematical Genius
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Why not use a high-pressure water gun to wash your car? #Science #Unzip #High-pressureWaterGun #CarW
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Wow! That's awesome!
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Kotaro: Give me a nest, give me a nest.
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Why do two people need to swing the hammer when forging iron? #Science #Unzip #Ironmaking #Forging #
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The genius invented the "Mecanum Wheel"! Why can it move sideways, diagonally, and rotate in place w
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How powerful is "atmospheric pressure"? Pour cold water into a hot bucket and a terrible scene will
The most rebellious bridge, the "suspension belt bridge," has stood suspended for 30 years—do you kn
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A question that has puzzled people for many years: Why does paper become transparent after being sta
In ancient times, there were no refrigerators. How did people make and preserve ice in the summer? Y
The slowest aircraft in the world, F1D, has a thin layer of material, but can fly in the sky for 40
This is the first time I've seen this kind of lighter! Slide the metal clip to the right and somethi
Teapot effect: A question that has puzzled scientists for many years: why does tea flow down the out
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Why do the vortex directions in the northern and southern hemispheres differ? An interesting phenome