The dualDIAL with (289, 313: 277. 1. 299. 1nm) wavelengths or (268. 4, 289: 277. 1, 299. 1nm) wavelengths can be used for ozone measurement in the region, where aerosol loading is high or distribution inhomogeneous in the troposphere.

• 利用（289，313；277.；1，299