canopyn.天篷；遮篷；苍穹canopy closing of a stand林分林冠郁闭canopy-release assembly伞衣脱离锁canopy actuating cylinder座舱盖开启作动筒Canopy reflected spectrum冠层反射光谱Canopy surface temperature冠层温度Canopy reflectance spectra冠层反射光谱canopy surface conductance林冠传导率Canopy spectral parameters冠层光谱变量Canopy reflection spectrum冠层光谱Canopy reflectance spectrum冠层反射光谱