单词	系统生产时间
释义	系统生产时间system production time
随便看	troposphere troposphere propagation troposphere scatter communication troposphere scattering troposphere-stratosphere exchange troposphere wave tropospheric tropospheric air movement tropospheric correction tropospheric fall-out tropospheric fallout tropospheric-- galatic--noise tropospheric ozone tropospheric propagation tropospheric refraction correction tropospheric scatter tropospheric scatter communication tropospheric scattering tropospheric scatter propagation tropospheric superrefraction tropospheric wave tropotaxis tropotron tropo (tropospheric) -tropous