单词	bounkham
释义	bounkham 本坎
随便看	opticalaxis optical axis optic al axis optical axis adjustable device optical axis figure optical axis, OA optical axis of crystal optical axis of symmetry optical axis parallel optical axis parallelism optical-axis parallelism optical axis verticality optical azimuth optical azimuth device optical back-dispersion turbid thickness-meter optical backplane optical back pointer optical back scattering optical baffle optical balance optical band optical bandgap optical band gap optical band-gap optical band-gap energy