back radiation是什么意思

用法例句

The effect of downwelling atmospheric radiation(R_(1d))on grass land surface temperature(T_s)is analyzed based on the three-year observations of upwelling surface long-wave radiation(R_(1u))and R_(1d)in 4～50μm band on clear days at,SKYNET Hefei site.

根据SKYNET合肥站三年期间无云晴天4～50μm波段地表向上长波辐射R_(1u)和大气逆辐射R_(1d)的观测资料,定量分析了大气逆辐射对草地下垫面地表温度的影响。