It proved that the primary rain attenuation influence factor is the minute rainfall rate of 0.01% time.
这同时也说明了，影响降雨衰减最主要的因素是0.01%时间的分钟降雨率。
2
Bridge, the viaduct and Port Machinery are all outdoors under the sun and the rain, so they were prone to rust and corrosion which will seriously reduce the safety factor.