quadrupling

n.

四倍；

v.

（使）成四倍( quadruple的现在分词 )；

1. Progressively increasing the amplitude leads to the bouncing period doubling then quadrupling.
   假如逐渐增大振幅，水滴跳动的频率将会加倍，继而再变成四倍。
2. Rather than using energy for height, the stunted crops put it toward making grain instead, quadrupling production in some cases.
   这些矮茎作物不把能量用来增高，反而用来制造更多种子，有时，产量甚至多达四倍。

Frequency Quadrupling and Upconversion in a Radio Over Fiber Link
Resonant frequency quadrupling of a mode-locked diode-pumped Nd:YLF laser
WDM up-conversion employing frequency quadrupling in optical modulator
Quadrupling the dose of inhaled corticosteroid to prevent asthma exacerbations: a randomized, double-blind, placebo-controlled, para...
Analysis of frequency quadrupling using a single Mach-Zehnder modulator for millimeter-wave generation and distribution over fiber s...
Optical Millimeter-Wave Signal Generation Using Frequency Quadrupling Technique and No Optical Filtering
Centralized Lightwave Radio-Over-Fiber System With Photonic Frequency Quadrupling for High-Frequency Millimeter-Wave Generation
Solar irradiance reduction to counteract radiative forcing from a quadrupling of CO2: climate responses simulated by four earth syst...
Continuous-wave frequencytripling and quadrupling by simultaneous three-wave mixingsin periodically poled crystals:application to at...
General Circulation Model Experiments on the Climatic Effects Due to a Doubling and Quadrupling of Carbon Dioxide Concentration