权威例句
Evaluation of Sound Absorption Performance by Perforation Ratio and Rear Air Space of Sound Absorbing Panel116 air space ratio [n]Moisture Ratio of Timber in Wall at Wooden Houses : A Case of Traditional Wooden Houses Without Outside Air SpaceManipulating the cell/air space ratio to optimize photosynthesis.Systems integration of Unmanned Aircraft into the National Airspace: Part of the Federal Aviation Administration Next Generation Air...Systems integration of Unmanned Aircraft into the National Airspace: Part of the Federal Aviation Administration Next Generation Air...Experimental study on vibration reduction of the hole bottom air space chargingPractical correlations for thermal resistance of horizontal enclosed airspaces with upward heat flow for building applicationsIn control of the sky: aerial dominance--the ability to employ assets with impunity in the airspace above enemy territory and forces...Size-dependent particulate matter indoor/outdoor relationships for a wind-induced naturally ventilated airspace
