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 The mist had been replaced by a kind of haze that seemed to amplify the heat...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

• 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。
• 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。
• 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。
• We also developed a new low-noise photodiode signal amplification circuit to further improve sensitivity.
  同时，已经研制了新的低躁声光电信号放大电路，将用于以后的灵敏度改进。
• 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。
• 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。
• 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。
• 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。