"One band" points at a green band that around the longitudinal traffic greenbelt of Beijing-Guangzhou railway and Beijing-Jiulong highway.
“一带”指一条中部绿色带，即围绕京广铁路和京九高速公路的纵向交通绿化带。
The article study widening band of longitudinal mode piezoelectric transducers.
本文研究纵向振动压电换能器的频带展宽问题。
The attenuation factor of longitudinal wave was changing linearly, whereas the attenuation factor of the slow shear wave kept nearly constant with a low frequency on the exploration seismic band.
纵波的衰减系数在地震频带内基本上呈线性变化，而横波的衰减系数在地震频带内除低频外基本保持稳定。
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