fluctuations

听听怎么读

英 [ˌflʌktjʊ'eɪʃəns]

美 [ˌflʌktjʊ'eɪʃəns]

是什么意思

波动，涨落，起伏( fluctuation的名词复数 )；

英英释义

fluctuation[ ,flʌktju'eiʃəns ]

n.
- a wave motion
  "the fluctuations of the sea"
- an instance of change; the rate or magnitude of change
  同义词：variation
- the quality of being unsteady and subject to changes
  "he kept a record of price fluctuations"
  同义词：wavering

学习怎么用

词组短语

economic fluctuation经济波动

price fluctuation[经]价格起伏，物价波动

voltage fluctuation电压波动；电压升降

temperature fluctuation温度波动；温度涨落

market fluctuation市场波动；市价涨落

speed fluctuation速度波动；速率变动；速度忽高忽低

fluctuation range波动幅度

current fluctuation电流起伏，电流波动；日常波动

fluctuation velocity脉动速度，波动速度；变动速度

cyclical fluctuation n. 循环变动，周期性波动

turbulent fluctuation n. 紊流脉动；紊动

更多收起词组短语

双语例句

用作名词(n.)

Fluctuations are spatial and temporal in character.
这种波动的特点是空间性和瞬时性的。
Turbulence or gusts produce velocity fluctuations.
紊乱性或阵息性使速度产生波动。

权威例句

Sea-level fluctuations during the last glacial cycle.
Time to Build and Aggregate Fluctuations
Population Fluctuations and Clutch-Size in the Great Tit, Parus major L.
Spontaneous fluctuations in brain activity observed with functional magnetic resonance imaging.
Thermodynamic Theory of Structure, Stability and Fluctuations
Quenching of fluorescence by oxygen. A probe for structural fluctuations in macromolecules
Declining amphibian populations: the problem of separating human impacts from natural fluctuations.
Activation of oxidative stress by acute glucose fluctuations compared with sustained chronic hyperglycemia in patients with type 2 d...
Functional connectivity in single and multislice echoplanar imaging using resting-state fluctuations.
Activity of norepinephrine-containing locus coeruleus neurons in behaving rats anticipates fluctuations in the sleep-waking cycle

同义词

variances

f开头的单词