“noise limit for means of conveyance”的概念、定义、翻译、参考文献-科学参考

单词	noise limit for means of conveyance
释义	noise limit for means of conveyance Encyclopedia 工学交通运输工具噪声限值释 noise limit for means of conveyance交通运输工具噪声限值针对机动车、轨道车辆、飞机、船舶等运输器具制定的声音最高允许排放限值的环境保护法规性技术规定。
随便看	sheaf of Abelian groups sheaf of circles sheaf of complexes sheaf of curves sheaf of differential operators sheaf of differentials sheaf of finite type sheaf of functions sheaf of germs sheaf of germs of analytic fanction sheaf of germs of divisors sheaf of germs of functions sheaf of groups sheaf of hyperfunctions sheaf of ideals sheaf of lines sheaf of meromorphic functions sheaf of modules sheaf of parallel lines sheaf of planes sheaf of regular functions sheaf of relations sheaf of rings sheaf of semigroups sheaf of sets

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