“产品噪声标准”的概念、定义、翻译、参考文献-科学参考

单词	产品噪声标准
释义	产品噪声标准 Encyclopedia 工学产品噪声标准释 product noise standard产品噪声标准为减少产品使用中噪声对环境以及使用者的影响，促进产品质量提高，对产品的声音排放特性指标所作出的法规性技术规定。通常用A计权的声功率级或声压级表示，需要按规定的方法进行测量。
随便看	condition number of eigenvalue problem condition number of linear system condition of classical limit condition of collection condition of completeness condition of congruence condition of connectedness condition of continuity condition of convergence condition of effectivity condition of electrical neutrality condition of electrostatic equilibrium in conductors condition of equivalence condition of identity condition of integrability condition of involution condition of left invariant condition of left-invariant condition of orthogonality condition of parallelism condition of perpendicularity condition of right invariant condition of right-invariant condition of roll bite condition of solvability

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。