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 The mist had been replaced by a kind of haze that seemed to amplify the heat...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

• The design of the audio input signal to the input signal amplification.
  本设计当输入音频信号时，对输入的信号进行放大。
• It is shown that Raman amplification can counteract the effects of two-photon absorption.
  结果表明，喇曼放大可以抵消双光子吸收的影响。
• 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。
• 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。
• FPGA logic controller is used in the class-D amplifier to control the PWM H whole bridge power amplification circuit.
  类放大器采用了改进的方案，即用FPGA作为逻辑控制器实现对PWMH全桥功率放大电路的控制。
• 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。
• 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。
• 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。
• In regulation of SRC-3 protein expression, there may be other mechanism except for SRC-3 gene amplification.
  在SRC-3的蛋白表达调控中，可能存在着SRC-3基因扩增以外的其它调节机制。
• 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。