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n. 分贝decibel的简写

分贝decibel的简写

Taiwan MOE computer dictionary (moecomp)

dB
分贝

WordNet (r) 3.0 (2006) (WordNet)

Db
n 1: a transuranic element [synonym: {dubnium}, {Db}, {hahnium},
{element 105}, {atomic number 105}]
2: a logarithmic unit of sound intensity; 10 times the logarithm
of the ratio of the sound intensity to some reference
intensity [synonym: {decibel}, {dB}]

The Free On-line Dictionary of Computing (foldoc)

{database}

V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006) (vera)

DataBase

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Cheap Train Tickets | Timetables for Germany Europe - Deutsche Bahn
Deutsche Bahn: int bahn de - Your mobility portal for travelling by rail Information, train tickets, online tickets, regional day tickets, low-cost offers for holidays and travel
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We operate a 33,400 kilometre-long network with 5,400 stations, which are used by 450 railway companies and 50,000 trains every day Every day, more than five million people travel with Deutsche Bahn - in ICE and Intercity trains, in regional express trains or in regional and suburban trains
Decibel - Wikipedia
The decibel (symbol: dB) is a relative unit of measurement equal to one tenth of a bel (B) It expresses the ratio of two values of a power or root-power quantity on a logarithmic scale Two signals whose levels differ by one decibel have a power ratio of 10 1 10 (approximately 1 26) or root-power ratio of 10 1 20 (approximately 1 12) [1][2]
What is a decibel (dB)? - RapidTables. com
Decibel (Symbol: dB) is a logarithmic unit that indicates ratio or gain Decibel is used to indicate the level of acoustic waves and electronic signals The logarithmic scale can describe very big or very small numbers with shorter notation
Ticket purchase – bahnhof. de
You can purchase tickets for the trains of Deutsche Bahn and other transport companies in various ways Below we show you how you can get a ticket If you would like to buy a Deutsche Bahn ticket with personal advice and service on site, please visit a DB Reisezentrum (travel centre)
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Find the latest Deutsche Bank Aktiengesellschaft (DB) stock quote, history, news and other vital information to help you with your stock trading and investing
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Find out more about Deutsche Bahn trains and popular routes Buy cheap DB tickets and discover the different types of trains that operate on the network
DB Fahrplan, Auskunft, Tickets, informieren und buchen - Deutsche Bahn
Deutschlands beliebtestes Reise- und Mobilitätsportal: Auskunft, Bahnfahrkarten, Online-Tickets, Länder-Tickets, günstige Angebote rund um Urlaub und Reisen
What Are Safe Decibels? - Hearing Health Foundation
If It Sounds Too Loud, It Is Too Loud Decibels are the unit of measurement for sound, abbreviated dB Sounds at or below 70 dB are considered safe for our hearing That’s the sound of a normal conversation between two people Sounds above 70 dB can damage hearing over time Like the Richter scale for measuring earthquakes, the decibel scale is logarithmic This means that loudness is not

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