| 单词 | phon |
| 例句 | A unit called a phon is used to express loudness numerically. College Physics for AP Courses 2015-08-12T00:00:00Z At a frequency of 1000 Hz, phons are taken to be numerically equal to decibels. College Physics for AP Courses 2015-08-12T00:00:00Z Sounds above 120 phons are painful as well as damaging. College Physics for AP Courses 2015-08-12T00:00:00Z The curved lines indicate what effect hearing losses of 40 and 60 phons will have. College Physics for AP Courses 2015-08-12T00:00:00Z Phons differ from decibels because the phon is a unit of loudness perception, whereas the decibel is a unit of physical intensity. College Physics for AP Courses 2015-08-12T00:00:00Z Each curve is labeled with its loudness in phons. College Physics for AP Courses 2015-08-12T00:00:00Z What is the approximate sound intensity level in decibels of a 600-Hz tone if it has a loudness of 20 phons? College Physics for AP Courses 2015-08-12T00:00:00Z |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。