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 The mist had been replaced by a kind of haze that seemed to amplify the heat...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

• 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。
• 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。
• Experimental investigation has been done to focus on the broadening and amplification of the chirped pulse.
  实验研究了这套用于产生高能短脉冲激光的光纤前端系统的啁啾脉冲展宽与放大特性。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• Objective To develop a hybridization signal amplification method for detection of Mycobacterium tuberculosis.
  目的建立结核分枝杆菌杂交信号放大检测方法。