The results obtained with three different expressions for the rain height showed that a rain height of 3 km is a reasonable assumption for estimating earth-space rainfall attenuation at this location. It is found that for frequencies above 200 GHz, the polarization dependence of the specific ...
Building has a height of 150 m. The steel plate is 5 mm thick.这根线有两米长。The wire is two meters long. The wire is two meters in length. The wire has a length of two meters.这块钢板是3米×2米的。The steel plate measures 3 by 2 meters.这块铁的体积是12立方厘...