Experiments show that the ferrofluid thin film behaves good characteristics of optical bistability and can be used as ultra-longwave optical waveguide devices.
研究表明：磁液薄膜具有良好的磁光双稳特性，可用作超长波红外波导器件。
2
White opal may show a white, greenish, bluish or brownish fluorescence in longwave and short wave ultra-violet light.
白欧泊在长波和短波紫外光下显示白色、绿色、蓝色或褐色的荧光。
3
From the mode of information transmission, the wireless communication can be classified as longwave, medium wave, shortwave, ultra short wave, and microwave.