quadrupling

英 [kwɒ'druːplɪŋ] 美 [kwɒ'druːplɪŋ]

• n. 四倍
• 动词quadruple现在分词形式.

英英释义

Noun:

1. increase by a factor of four

例句

用作名词 (n.)

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。