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These results may help to exposit the predilection of DNA bases and the flexibility of DNA strands. Thirdly, by changing parameters, i.e. interactive coefficients, elastic coefficients and characteristic frequencies we simulated one of the nonlinear solitary model of DNA via Runge Kutta method to obtain some direct descriptions of the transportation of soliton in DNA double strands.

第三，选择了一种DNA的非线性孤子传递模型，通过选用不同相互作用常数，不同的弹性系数和不同的特征频率，利用龙格库塔法对该模型进行了计算机模拟，对孤子能量在DNA中的传递给予了直观的描述，并从理论上估计出孤子在DNA中传递的速度约为250m/s。

In addition to handling the power exchange, this sophisticated HVDC system can stabilize voltages and frequencies on Sardinia.

除了处理电力转换交流，该复杂的 HVDC 系统还可以稳定撒丁岛的电压和频率。

Concerning the complexity of verification for the Scaler chip's operating at high frequencies, many problems about the setup of the verifying environment need careful treatment.

实际工作频率要求较高的定标器芯片的逻辑验证具有一定的复杂程度，整个逻辑验证环境的搭建需要考虑诸多问题。

However, not having a sculpted surface would then reduce foam's absorption at higher frequencies.

然而，没有一个雕像表面就会减少泡沫的吸收在更高的频率。

This has the effect of increasing the resistance of a conductor at high frequencies (note that this effect is separate from the increase in impedance due to the effects of the self-inductance of conductors as frequency is increased – that will be dealt with later).

这意味着在传输高频信号时，导体的电阻会增加。（请注意趋肤效应与分布电感的区别，分布电感是指在频率提高时，因导体自感而造成的阻抗增加。分布电感将在以后的章节讨论。

Such a structure has considerable self-inductance and behaves as an inductance rather than a capacitor at frequencies of more than a few MHz.

这些电容嚣基本上是由多层塑料或纸介质把两张金属箔隔开然后卷成一个卷筒制成的。

In this paper,about the body of a special ultra-heavy semitrailer without beam,its model is built in ProE sofeware and its static analysis and modal analysis,which is in static state ,constant speed traction state and braking state, are performed in Ansys software.Displacement distribution,stress distrbution,the first five inherence frequencies and vibration modals are educed.

本文针对超重型特种无梁半挂罐车的罐体，用ProE软件建立起模型，用Ansys软件进行罐体在静载工况，匀速牵引工况及制动工况时的静态分析和模态分析，得出罐体在各种工况下的位移分布，应力分布及前五阶自振频率和振型，以验证该罐体设计的合理性。

Firstly, function generator is used to generate all kinds of different frequencies pulses which exactly simulate the given speed of critical axis when it works. Then PC gives the position command, the NiosII deals with the trace which we expected and then gives an order which is needed by the linear motor during one shog.

首先利用函数发生器产生不同频率的脉冲来精确模拟主轴运动时的给定速度，然后在PC机上下达坐标指令，由NiosII软核处理器对所定义的轨道运算处理后，计算出直线电机在一个横移内所需要的位移命令。

METHODSThe allele frequencies of the DXS6854 locus in 101 of female and 160 of male with no sibship, in the Korean??Chinese in Yanbian area were analyzed by PCR and polyacrylamide gel electrophoresis.

方法］采用PCR扩增技术及聚丙烯酰胺凝胶电泳方法，分析101名朝鲜族女性和160名朝鲜族男性个体的DXS6854 STR基因座等位基因频率。

Each element of the signal waveform can be altered: Horizontal and Vertical frequencies, Level, Phase, and Subcarrier frequency.

每个元素的信号波形可以改变：横向和纵向的频率，水平，阶段，副载波频率。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。