单词	皮發藍症
释义	同Cyanosis
随便看	directional radio directional radio beacon directional radio radiation directional radio signal directional radio telegraphy directional ray directional receiver directional reception directional reflection directional relay directional response pattern directional selection directional selection ; dynamic selection; linear selection; progressive selection directional selection (mather 1948) directional selection (mather 1948); dynamic selection; linear selection; progressive selection directional selectivity directional shear directional shooting directional signal directional silicon steel strip directional solenoid operated valve directional solidification directional spectral emissivity directional spectral wave model directional spectrum