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 The mist had been replaced by a kind of haze that seemed to amplify the heat...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

• Limits for the additional amplification and range of volume control are given.
  该条给出了附加放大的限制和音量控制范围。
• A single-frequency single-polarization narrow-linewidth Erbium doped loop fiber laser and its amplification configuration were demonstrated.
  报告了一个带单级放大结构的单频单偏振窄线宽环形腔结构掺铒光纤激光器系统。
• 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。
• They perform no other function, such as the amplification, regeneration or modification of a signal.
  它们不具备诸如对信号进行放大、再生或修正等其他功能。
• This paper summarizes the construction principle, resolution power and amplification about the system of compuer-metallographic microscope.
  概述了计算机-金相显微镜系统的建立原则、系统的分辨率和放大倍数。
• 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。
• The fluorescence, mode field and amplification characteristic of the fiber were tested.
  对光纤的荧光特性、模场特性以及放大特性进行了测试。
• For audio amplification, a class A amplifier can be either single-ended or push-pull.
  对于音频放大，一个A类放大器可单端或推挽。
• 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。
• Amplified circuit, unidirectional amplification. Right-click for both-way amplification.
  放大的电路，单向放大。右击来指定双向放大。