英语词汇“分貝”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	分貝
释义	分貝 fēn bèidecibel表示两种电或声功率之比的一种单位,它等于功率比的常用对数的10倍——缩写为dB∶表示两种电压或电流值或类似声量如声压或质点速度之比的一种单位,等于电压或电流比的常用对数的20倍,如果两种电压或电流是在相同电阻上测得的话电信一种测量声音的相对响度的单位,大约等于人耳通常可觉察响度差别的最小值；人耳对响度差别能察觉的范围,大约包括以最微弱的可闻声为1而开始的标度上的130分贝简体分贝
随便看	coal seam outcrop coal seam permeability coal seam pitch coal seam productive capacity coal seam profile coal seam prone to spontaneous combustion coal seam reservoir characteristics coal seam roof coal seam roof and floor coal seam rupture angle Coalseams coal seams coal seam sample coal-seams correlation coal-seams correlationsection coal seam scouring coal seam section Coal seams intermixed with iron ore coal seams of low-permeability coal seams outburst risk coal seam spontaneous combustion coal seam stability coal seam Stubble Repeating coal seam subsided column coal seam texture