exchange operator

en-GB/ɛksˈt͡ʃeɪnd͡ʒ ˈɒpəˌɹeɪtə/
en-US/ɪksˈt͡ʃeɪnd͡ʒ ˈɑpəˌɹeɪdɚ/

الفئات:

operator in physics