词汇	frequency centre
释义	frequency centre 频度中心
随便看	all-optical switch all optical switches all-optical switches all optical switching all-optical switching all-optical switching effect all-optical telecommunication all-optical walve networks all optical wavelength conversion all-optical wavelength conversion all optical wavelength converter all-optical wavelength converter all-optical wavelength router all-optical WDM network all-optical xor gate all-optical XOR logic all-optic communication network all-optics system all-optic towed array all option button All options stink allopurinal allopurinol allopurinol nucleotide allopurinol riboside