A. meters B. kilograms C. decibels D. seconds 相关知识点: 试题来源: 解析 C。解析:“The loudness of sound is measured in decibels (dB).”,声音的响度用分贝测量。 答案:C。解析:“The loudness of sound is measured in decibels (dB).”,声音的响度用分贝测量。 >反馈 收藏 ...
The ___ of sound can be measured in decibels. A. intensity B. volume C. pitch D. tone 相关知识点: 试题来源: 解析 A。“intensity”强度,声音的强度可以用分贝测量;“volume”音量;“pitch”音高;“tone”语气,这里指声音强度,所以选 A。反馈 ...
Sound is measured indecibels. The maximum safe level of sound humans are thought to be able to withstand without potential damage is 80db. Thebangsorboomsof a firework display can reach 120db, thewhirring mechanicalsound of a fo...
The loudness, or intensity, of sound is measured in decibels. For each increase of 10 decibels, the sound wave has 10 times as much energy. For example, a sound of 20 decibels is twice as loud as one of 10 decibels, but has 10 times the energy. The softest sound humans can hear, ...
Answer to: The loudness of a sound is determined by the \rule{1in}{.2mm} of sound waves. A. frequency B. amplitude C. consonance D. dissonance...
百度试题 结果1 题目25. The ___ of the sound is measured using the decibel scale. A. rate B. strength C. length D. distance 相关知识点: 试题来源: 解析 25. B 反馈 收藏
A.can be measured in the same way that "noise" is measuredB.may be extremely harmful to healthC.is not at all different from "noise"D.can be measured by machines 相关知识点: 试题来源: 解析 D [分析] 明示题。原文提到:“Sound” is measured physically in decibels.反馈...
this article measured this as wireless micr this at least is an a this be love this beautiful moment this box is too heavy this boy this boy has a job this brothers this browser to unins this can work out for this causes further p this christmas this claim this clothes is a exp this...
The fresh water actually available for human use in lakes and rivers and the accessible ground water amounts to only about one third of one percent of the worlds total water supply.Surface area(square miles)Volume(cubic m 52、iles)Percentage of totalSalt Water The oceans Inland seas and ...
a然而,如果我必须放弃它们中的一个,我宁愿关掉电视,而不是关掉手机或英特网。 However, if I must give up in them, I rather switch off the television, but is not switches off the handset or the Internet.[translate] aAs the sound power level can not be directly measured, usually by measuring...