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 The mist had been replaced by a kind of haze that seemed to amplify the heat...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

• 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。
• 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。
• 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。
• 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。
• Limits for the additional amplification and range of volume control are given.
  该条给出了附加放大的限制和音量控制范围。
• 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。
• 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。
• 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。
• 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。
• 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。