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 The mist had been replaced by a kind of haze that seemed to amplify the heat...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。
• 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。
• We add amplitude modulation onto the CW laser and measure the modulation amplification between seeding and output laser.
  我们对注入的连续波激光进行幅度调制并且测量了输入输出光之间调制信号的放大倍数。
• 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。
• So Current-mode technology provides a feasible technology to low-noise measurement, amplification and filter for weak fluorescence signal.
  并且，电流模技术为微弱荧光信号的低噪声测量、放大和滤波提供了一条可行的技术路线。
• 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。
• 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。
• 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。
• 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。
• 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。