英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

db    

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Decibel - Wikipedia
    dB (A), dB (B), dB (C), dB (D), dB (G), and dB (Z) These symbols are often used to denote the use of different weighting filters, used to approximate the human ear's response to sound, although the measurement is still in dB (SPL)
  • 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
  • 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
  • Decibel (dB) | Definition, Formula, Facts | Britannica
    A decibel (dB) is a unit for expressing the ratio between two amounts of electric or acoustic power or for measuring the relative loudness of sounds
  • Levels Of Noise In Decibels (dB) Level Comparison Chart
    A noise level chart showing examples of sounds with dB levels ranging from 0 to 180 decibels As a frame of reference, here are the decibel levels of sounds you may encounter in your everyday life
  • DB Definition Meaning - Merriam-Webster
    What does the abbreviation DB stand for? Meaning: decibel
  • Deutsche Bahn
    If you would like to film or take photographs on DB premises, you will need to request permission from the DB Group press office
  • How To Understand The Unit Of Decibels (Simple explanation)
    A decibel (dB) is a unit used to measure the intensity or power level of sound or signal It represents the logarithmic ratio between the measured value and a reference value, typically the threshold of human hearing
  • Tickets offers - Bahn
    Tickets offers: Here you can find all of Deutsche Bahn's available offers, from the low-cost super saver fare valid only on the train selected to the flexible fare for travel on any permitted train You will also find information on seat reservations, night trains and BahnCards
  • DB - Wikipedia
    Database (DB), an organized collection of data on a computer system Drinking bleach





中文字典-英文字典  2005-2009