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an equivalent model of Al electrolytic capacitor has been studied in this paper. The change law of the equivalent serial capacitance, dissipation factor and impedance of Al electrolytic capacitor has been discussed at different frequencies with Agilent4395A Impedance Analyzer.

研究了铝电解电容器的等效模型，讨论了铝电解电容器在不同频率下，其等效串联电容、介质损耗因子、阻抗随频率变化特性，采用Agilent4395A阻抗分析仪测量了铝电解电容器参数、阻抗-频率特性等。

Any frequency of motion between these limiting frequencies is possible, depending on , or, equivalently, the ratio of vertical to horizontal wavenumber.

任何频率运动频率之间的限制是可能的，靠，或等价的比垂直横向波数。

It has been suggested that an increased number of young circulating red bloof thed cells in alpha-thalassemic children, as a result of some degree of ineffective erythropoiesis, could be related to the high frequencies of the alpha-thalassemic allele in malaria endemic areas.

曾有人建议，日益增多的年轻循环红血细胞的α-地中海贫血的儿童，由于某种程度的无效红系造血，可能与高频率的阿尔法-地中海贫血的等位基因在疟疾流行地区。

The main aberrations of the euchromosomes was chromosome gain, including trisome, tetrasome, and polysome. The gain rates of the four euchromo-some were 84.9%, 77.5%, 63.7% and 83.2%, and the frequencies of polysome for each euchromosome were 24.6%, 34.9%, 23.4% and 31.7%, respectively. Loss of chromosome Y was observed in 61.2% of male patients. The combination of the four chromosome probes 3, 8, 10 and 20 detected 74.5% of ESCC and the combination of 3, 8, 20 and Y detected 85.0%.

发现所测常染色体在食管癌组织中均存在较高的数目畸变率，主要表现为染色体增益，包括三体、四体及多体。4条常染色体3、8、10和20号染色体增益率分别为84.9%、77.5%、63.7%和83.2%，其中多体率各为24.6%、34.9%、23.4%和31.7%。Y染色体在61.2%的男性患者表现缺失。3、8、10和20号探针联合检测食管癌的阳性率为74.5%， 3、8、20和Y染色体探针联合检测男性食管癌的阳性率为85.0%。

After the mathematic model of spatial spectrum analysis was introduced, interharmonic signals can be transformed to spatial signals received by linear sensor array through Euler\'s formula or Hilbert transform. The number of sinusoidal components of the interharmonic parametric model was corresponding to the source number of transformed spatial signals, and the frequencies of sinusoidal components were corresponding to that of transformed spatial signals.

3介绍了空间谱分析的数学模型，证明了间谐波信号经欧拉公式或希尔伯特变换后可以转变为空间线性阵列接收的空域信号，正弦成分数对应空域信号源数，正弦成分频率对应空域信号频率。

When the moths hear the bat frequencies , they try to escape by falling to the ground or flying evasively .

当这些蛾类物种听到蝙蝠的频率时，它们会藉由坠落地面或是利用难以抓摸的飞行来躲避。

The thecretical analysis is done for the problems of the integral initial values, the accumulated error and the excursive error induced by numerical integrals. It is found that these errors possess characteristics of lower frequencies and they can be treated as the low frequency noise.

针对积分初值、数值积分积累误差和数值积分引入的偏移误差进行了理论分析，得出此类误差均具有低频特性的性质，可作为信号低频噪声进行处理。

The dropout frequencies were as follows: Group A - 16 deaths (1 HCC - 15 disease complications) while in Group B we had 13 drop outs, 10 exitus (4 HCC and 6 disease complications) and three exclusions for nonmedical reasons.

内为9%。放弃率如下：A组16例死亡（1例HCC，15例并发症），B组共13例放弃，其中10例死亡（4例HCC，66例并发症），其余3例由于非医学原因被排除在外。

In which, the equation of motion of the loaded beam is derived analytically by means of the expansion theorem (or the mode superposition method) incorporated with the natural frequencies and the mode shapes of the bare beam (i.e., the beam carrying nothing).

其中，负载梁的运动方程式乃藉由膨胀原理结合裸梁的自然频率与振态来推导。

In order to extenuate the vibration with several frequencies caused by different faults, the feed forward learning control method for multi-frequency vibration is presented.

论述和推导了在转子运行状态下，用该方法实现不平衡扰动自动识别和控制参数的自动整定的理论方法、控制过程和控制算法。

The two-acre Dunbar Community Garden in Little Rock has served as a model for several years.

几年来，坐落于小石城，占地两英亩的邓巴社区菜园树立了一个标杆。

Jerry points to the jacket hanging in the bathroom. It's ruined, and unwearable What?

杰瑞指着洗手间里挂着的夹克，毁了，不能穿了）什么？