“railway sound barrier”的概念、定义、翻译、参考文献-科学参考

单词	railway sound barrier
释义	railway sound barrier Encyclopedia 工学〔铁路环境噪声防治〕释 railway sound barrier铁路声屏障铁道线路两侧修建的用于降低列车运行噪声对环境产生影响的屏障式构筑物。
随便看	mean length of education mean length of terms mean life mean life of reactant molecular mean lifetime mean light curve meanline mean longitude mean low water springs mean luminosity density mean magnitude mean midnight mean modulus of continuity mean molecular weight mean moon mean motion mean motion resonance mean noon mean number mean number of sheets mean obliquity mean observatory mean of a probability distribution mean of a random variable mean of a stationary process

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