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 The mist had been replaced by a kind of haze that seemed to amplify the heat...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

• 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。
• Amplification and analysis of T-DNA flanking sequences in transgenic rice.
  转基因水稻t-dna侧翼序列的括增与分析。
• 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。
• 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。
• 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。
• 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。
• 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。
• Due to insertion loss, the signal may require amplification.
  由于存在插入损耗，所以信号可能需要放大。
• 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 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。