短文:科學(xué)理論
來源:滬江聽寫酷
2011-03-10 18:15
科學(xué)理論
Scientific Theories
In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced. A good example of this is found in the kinetic molecular theory, i…
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