electromagnetic spectrum

entire range and scope of frequencies of electromagnetic radiation

en-US/ˌɪˌlɛktɹoʊmæɡˈnɛtɪk ˈspɛktɹəm/
en-GB/ɛlɛktɹəʊmæɡnɛtɪk ˈspɛktɹəm/

دسته بندی ها:

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