1)aerial observer,空中观察员2)aircraft spotter,空中观测员3)Chief Aerial Inspector,首席空中视察员4)battlefield air observation,战场空中观察5)observer's compartment,观察员舱6)viewing of the cavitation,空泡观察
用法例句
It includes the researches on the measurements of the propeller induced pulsating pressure and viewing of the cavitation on the full-scale ships,the need and procedure for full-scale measurements.
