amplification

英 [ˌæmplɪfɪˈkeɪʃn]

美 [ˌæmplɪfɪˈkeɪʃn]

n.  扩大（充）；膨胀

复数：amplifications　

TOEFL化学

BNC.12886 / COCA.17701

柯林斯词典

• VERB （通常用电子设备）放大，扩大（声音）
  If youamplifya sound, you make it louder, usually by using electronic equipment.
  1. This landscape seemed to trap and amplify sounds...
     这种地貌好像可以笼住并放大声音。
  2. The music was amplified with microphones...
     音乐声通过麦克风被放大。
  3. 'This is the police,' came the amplified voice from the helicopter.
     “我们是警察，”直升机上传来扩音器中的声音。
• VERB 增强；加强
  Toamplifysomething means to increase its strength or intensity.
  1. The mist had been replaced by a kind of haze that seemed to amplify the heat...
     薄雾散了，取而代之的是一种似乎更添酷热的烟霭。
  2. Her anxiety about the world was amplifying her personal fears about her future.
     她对世界的忧虑加剧了她对自己未来的恐惧。

英英释义

noun

• (electronics) the act of increasing voltage or power or current
• addition of extra material or illustration or clarifying detail
  1. a few remarks added in amplification and defense
  2. an elaboration of the sketch followed
  Synonym:elaboration
• the amount of increase in signal power or voltage or current expressed as the ratio of output to input
  Synonym:gain

双语例句

• Requirements of weak extremely low distortion audio signal to large dynamic amplification.
  要求能极低失真地对微弱音频信号进行大动态放大。
• The pod was tested again and the results indicate that the resonance frequency and amplification factor meet the requirement.
  重新进行试验后，结果表明系统谐振频率和放大率都满足要求。
• It is truly a time of quickening, amplification and indeed celebration.
  它真的是加速、放大和值得庆祝的一年。
• Amplified circuit. Unidirectional or both-way amplification can be specified.
  放大器电路。可指定单向或双向放大。
• This is my way to do variable amplifier, signal amplification, and hope to help everyone.
  这是我做的可变程放大器，放大信号用，希望对大家有帮助。
• Particularly, the dynamics of soliton periodic distributed amplification system is discussed in detail.
  特别地，详细讨论了孤子周期分布放大系统的动力学行为。
• The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases.
  这种DNA的放大技术被用于多种疾病的检验，诊断和基因组序列的测定。
• This Bi-doped fiber is promising for broadband optical amplification and widely tunable laser.
  此光纤有望成为宽带光放大和调谐激光材料。
• This paper introduces ECG amplification, filtering and so on.
  本文主要介绍了心电信号的放大，滤波等。
• By changing the amplification multiple through DAC signals, the measurement range of the system is improved.
  用DAC芯片程控信号调理电路的放大倍数，提高了系统的测量范围。