The photonic crystals with partial bandgap are then used as the cladding of a waveguide taper to reduce the radiation loss efficiently.是什么意思_The photonic crystals with partial bandgap are then used as the cladding of a waveguide taper to reduce the radiation loss efficiently.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句