Field-flow fractionation ( FFF) is a convenient shortcut for analysis and separation techniques, which possesses many excellences such as simple instrumentation, broad applications and unprecedented efficiency.

And after the intraday periodicity factors are filtered through FFF regression, the high frequency absolute return of fund index doesn't have obvious periodicity any longer.

通过FFF方法，将该周期因子进行滤波处理以后，基金指数高频绝对收益不再具有明显周期性。

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Furthermore, FFF regression works well in determining the intra-day periodicity.

FFF回归能较好地确定日内周期因子。

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Simulation results demonstrate that, under SSS, TTT and FFF conditions, the variation of the unity-gain bandwidth of the PLL is only 12% and the variation of phase margin is only 0.1 degree.

仿真结果显示，在SSS、TTT和FFF三种条件下，环路带宽变化仅为12%，相位裕量只变化0.1°。

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High-frequency Financial Data's Long Memory SV Model Analysis Based on FFF Regression

高频金融数据的长记忆SV模型分析&基于FFF回归

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By FFF regression of Andersen and Bollerslev ( 1997), we analysis the periodicity of Shanghai stock index 5-min high frequency data and the long memory characters in filtered absolute returns.

采用Andersen和Bollerslev（1997）的FFF回归方法，对上证综合指数高频数据中的周期性进行了分析，并分析了剔除周期后的绝对收益的长记忆性。

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The appraisal of FFF electrical method used in gold mine

电法在金矿评价中的应用效果

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FFF is more sensitive to fatigue as assessed indicators, which shows special fatigue on freestyle aerial is central nervous system fatigue.

闪光融合率较为敏感，可以作为评定疲劳的指标，同时也说明自由式滑雪空中技巧的专项疲劳主要是中枢神经系统的疲劳。

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The paper proposes application of Wavelet Neural Network in high-frequency time series calendar effects' study. At last, the paper proves that WNN is better than classical FFF regression.

提出了用小波神经网络（WNN）来定量研究高频金融时间序列日历效应，通过比较发现WNN是比弹性傅立叶形式（FFF）回归技术更具优势的方法。

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Then, use the gotten LFM rate to remove the signal's LFM. And then apply FFF to the signal whose LFM was removed to get the original frequency of each component.

然后利用识别出的线性调频率对信号进行解线调，再对解线调后的信号进行FFT来识别每个LFM信号分量的初始频率。

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They are especially common in cosmetics shops or health stores, which almost always have a ladyboy shop assistant.

她们在化妆品商店、药店特别常见，这类商店几乎都有一位变性人妖助理。

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The airline said qualifications for the ladyboy flight attendants were the same as for female flight attendants, with the additional provisos that they be like women in how they walked and talked, and have a feminine voice.

该航空公司表示，人妖空姐的职位要求和普通女性空姐一样，附加条件是走路和说话的方式要像女生，嗓音也要像女生。

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Chan, the airline president, said the ladyboy flight attendants actually might have a special advantage.

航空公司总裁陈彼得说，“人妖空姐”其实也许还有优势。

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She is the most beautiful and perfect ladyboy in Thailand.

她是泰国最完美的变性女孩。

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Then you have a spot a week, a spot a fortnight.

同样还有现货/一星期, 现货/二星期.

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Please offer any quantity that can be supplied from stock.

请报可供现货数量的价格.

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Yes, we have available stocks.

有, 我们有一些现货.

词典精选例句

Pollen tube entered the embryo sac via one synergid and in it released two sperms.

花粉管经由一个助细胞进入胚囊,并在助细胞中释放两个精子.

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Wall ingrowths occurred in central cell at micropylar region near embryo sac wall.

中央细胞在珠孔端与胚囊壁相邻的部位形成壁内突.

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Several live worms were found in his conjunctiva sac.

后来在门诊中发现结膜囊里有数只活寄生虫.

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OMNEX is the only company authorized to deliver training for the Semiconductor Assembly Council ( SAC ).

OMNEX是唯一的公司授权了交付为半导体训练汇编委员会 ( 囊 ).

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