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 The mist had been replaced by a kind of haze that seemed to amplify the heat...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

• 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。
• 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。
• 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。
• The embryonic DNA was amplified by using pairs of detection primer and an internal primer in multiple-PCR amplification.
  同时设计1对检测引物和1对内标引物用于胚胎性别鉴定，提取胚胎DNA后进行多重PCR检测。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。