喷出
发表于 2025-3-26 23:18:56
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condescend
发表于 2025-3-27 04:22:18
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较早
发表于 2025-3-27 09:09:18
Reflections on Science and Technologygram. These need to be informed by a broader scheme that gives a sense of a how learning can be fostered and guided. I propose an alternative Paradigm to the current engineering approach to science education. The alternative Paradigm gives greater emphasis to the role of sensory experience and the r
Increment
发表于 2025-3-27 11:09:16
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会犯错误
发表于 2025-3-27 15:21:25
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裂缝
发表于 2025-3-27 21:15:37
Towards a Tensile Reference Materialfew drops of food color from a container and then move a Popsicle stick through the drops. Depending on how smoothly and slowly they move the stick, various kinds of patterns are formed. Often a variety of vortex shapes appear which can be as big as 8 to 10 in. or as small as an inch. Also, the drop
heirloom
发表于 2025-3-27 23:00:35
Zerlegungs- und Fortsetzungssatz,isitors roll golf balls down the tracks of several different configurations. Roller coaster, Ski jump, the big U are titles of some of these games that also describe the shape of the track. Visitors release a golf ball at the top of these tracks and excitedly watch as the ball rolls up and down the
Aerophagia
发表于 2025-3-28 03:27:16
https://doi.org/10.1007/978-3-658-34934-9nded particles that readily show the movement of the water.) They place drops of food color at various points in the tray and either blow on the food color to make it move or move a Popsicle stick through these patches of color. The resulting patterns are either curved lines or spirals of different
FELON
发表于 2025-3-28 08:35:59
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控诉
发表于 2025-3-28 11:46:29
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