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Additionally newer frequency also needs to notice, the newer frequency of website oneself content actually aeriform in the creeping frequency that fostering a spider, if updating content everyday, the spider also is met the habit that nurturance climbs a station everyday, weight of as time passes rose, new content searchs engine to be able to be collected immediately.

另外更新的频率也需要注意,网站自身内容的更新频率其实无形之中就在培养蜘蛛的爬行频率,如果每天都在更新内容,蜘蛛也会养成每天爬站的习惯,久而久之权重提高了,新的内容搜索引擎马上就会收录。

The frequency analysis conducted in this study further indicates that while high token frequency results in lexicalization of V-kai complex verbs, high type frequency leads to schematization of V-kai constructions.

本研究所执行的频率分析进一步指出例的频率会导致「V-开」复杂动词的词汇化,而型的频率则会引起「V-开」构式的基模化。

The frames with low and slowly changing average instantaneous frequencies were identified to be the periodic sonant segments and the frames with high average instantaneous frequencies were identified to be the surd segments based on the characteristics of the average instantaneous frequencies of IMFs derived from speech signals.

根据语言信号特定阶IMF平均瞬时频率的特征,将平均瞬时频率低且变化缓慢的语言帧作为周期性强的浊音段,而平均瞬时频率高的语言帧判别为清音段,组合处理后的结果最终得到语音段数据。

The formula for lower limit of natural frequency of tapered pier of continuous beam bridge were derived by the combination of Rayleigh and Southwell method.

采用瑞利法和Southwell频率合成法,将基频表示成各惯性元与复位元所组成的子系统的频率合成,导出了变截面桥墩自振频率下限的计算公式。

The formula for lower limit of natural frequency of tapered pier of continuous beam bridge were derived by the combination of Rayleigh and Southwell method. The natural frequency of tapered pier was composed of the sum of frequency of each subsystem consisted in inertia component and deformable component.

采用瑞利法和Southwell频率合成法,将基频表示成各惯性元与复位元所组成的子系统的频率合成,导出了变截面桥墩自振频率下限的计算公式。

In the aspect of the study of the application of HHT method, This dissertation has done three part of jobs: first, the Elcentro strong ground motion which is in common use in earhtquake engineering is analyzed by HHT method, getting its amplitude-frequency-time distribution and the comparison between the HHT marginal spectrum and Fourier spectrum is also made; second, the typical nonlinear system defined by the Duffing equation is analyzed by HHT method, getting its numerical value's amplitude-frequency-time distribution and the comparison between the HHT marginal spectrum and Fourier spectrum is also made; third, define the stationary degree of non-stationary signals making use of 3-D time-frequency spectrum and marginal spectrum, the stationary degree curve of Elcentro seismic recording is protracted according to its defining formula, the stationary degree curve of Elcentro seismic recording which change with time is protracted according to similiar definition.

在HHT方法的应用研究方面,本文做了三部分的工作:首先,利用HHT方法分析了地震工程中常用的Elcentro非平稳强震记录,得到了该记录的振幅-频率-时间分布特性,并将得到的边际谱与傅立叶谱做了比较;其次,应用HHT方法分析了典型的非线性系统-Duffing方程,得到了该方程数值解的振幅-频率-时间分布特性,并将得到的边际谱与傅立叶谱做了比较;最后,利用三维时频谱与边际谱定义了非平稳信号的平稳度,并依照其定义式绘制了Elcentro地震波记录的平稳度曲线,依照类似与依赖与频率变化的平稳度定义,初步尝试编程绘制了Elcentro地震波随时间变化的平稳度曲线。

Pestrepeller automatically sweep the ultrasonic range of 24,000 Hz to 50,000 Hz, the adjustment knob allwa the rate of this sweep to be varied to prevent pests from developing an immunity to a pre-selected single sweep rate.

驱害器自动将超声波频率在24,000Hz到50,000Hz之间变换,调整按钮可以对这个频率范围进行调整以防止害虫对预设的单一频率范围产生免疫性。

Because the portal frame is also used in the rig for bogie fatigue strength testing, in which the imposed load is harmonic, the modal analysis is necessary. The fundamental vibration mode shapes and corresponding frequencies are calculated to validating that the natural frequencies of the structure have enough difference comparing to the load frequency, so sympathetic vibration can be avoided.

由于龙门架还要在疲劳试验台中用来进行转向架的疲劳试验,因此对龙门架进行了模态分析,计算龙门架结构的固有频率和振型,确保龙门架的固有频率远离转向架疲劳试验的加载频率,避免在试验中发生共振。

First, this thesis describes the non-ideal effect of frequency synthesizer on the performance of wireless communication system.

首先,本文系统研究了频率综合器中的非理想因素对无线通信系统的影响,并通过理论计算得出多模通信系统对频率综合器的指标要求,进而探讨了多模频率综合器的实现方案。

Plasma is a dispersive medium and its equivalent refractive index is related to the frequency of the incident electromagnatic wave and the plasma frequency, so it is feasible to shift the syntonic frequency of plasma defect by changing the plasma parameters, which behaves as a tunable filter.

据等离子体的强色散特性,其等效折射率与电磁波频率及等离子体频率等参数有关,因而可以通过改变等离子参数,使一维微波光子晶体缺陷层的谐振频率发生偏移,实现微波光子晶体的可调谐滤波特性。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。