单词 | propagation |
释义 | prop·a·ga·tion ![]() n. 1. Multiplication or increase, as by natural reproduction. 2. The process of spreading to a larger area or greater number; dissemination. 3. Physics The act or process of propagating, especially the process by which a disturbance, such as the motion of electromagnetic or sound waves, is transmitted through a medium such as air or water. prop′a·gation·al adj. |
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