“声级”的概念、定义、翻译、参考文献-科学参考

单词	声级
释义	声级 Encyclopedia 文学声学语音学释 sound level声级使用声级计等设备，测量出的一种近似人耳对声音各频率成分感觉程度综合而成的总声压数值。理学声学测量释 sound level声级近似人耳对声音各频率成分感觉程度综合成的总声压数值。 Physics 光学、声学声学 acoustic level, sound level声级＞声学＞声学基础理论＞释义 sound level声级 sound level声级^†
随便看	positive mapping positive mass conjecture positive matrix positive measure positive metric positive/negative helicity spinors positive number positive octant positive operator positive operator valued measure positive-operator valued measure POVM positive operator value measure positive operator value measure (POVM) positive ordering positive organizational behavior positive orientation positive orthant positive part positive partial transpose criterion positive particular proposition positive part of a function positive part of an element positive perfect correlation positive plate positive platemaking

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。