离散的

Adopting discrete time-domain method to set up the mathematical model of high-voltage conversion circuit, and analyzing the influence of frequency, duty cycle, primary inductance, different turns ratio parameters how to affect high-voltage convertion circuit charging time.

采用离散时域方法建立高压转换电路数学模型，分析了高压转换电路频率、占空比、原边电感量以及匝比等设计参数对高压转换电路充电时间的影响，并进行了仿真和实验验证。

Certainly the discrete metric space is free when the morphisms are all uniformly continuous maps or all continuous maps, but this says nothing interesting about the metric

任何从离散拓扑空间到另一个拓扑空间的函数是

Discrete-time Fourier transform is essentially the unit circle Z transform.

离散时间傅里叶变换实质上就是单位圆上的Z变换。

Chapter 3, Analyse the focal point and the difficult point of the unit visualization of discrete element method.

第四章主要对离散元等值线，云图的可视化方法进行了分析说明。

Objective :To investigate the effect of vagus on dispersion of atrial effective refractory period.

目的 ：用动物实验模拟快速房率来观察迷走神经对心房有效不应期离散度变化的影响。

The Discrete Variational Method for molecules and clusters is described in detail.

文中首先描述了离散变分方法的理论基础—密度泛函理论及其局域密度近似。

A linear\|algebra vector notation is developed, which clearly and concisely describes the interferogram fitting process.

文中采用移相干涉术[1，2 ] 来求取波面相位，最后还必须对干涉图像的离散采样点进行拟合处理。

DVI Compared to Older Technologies DVI接口相比,旧技术 Previous standards such as Video Graphics Array were designed exclusively for CRT-based devices and hence did not take into consideration 'discrete time'.

以前的标准，如视频图形阵列，专为基于CRT产品，因此没有考虑到'离散时间'。

It adopts Reynolds time-average N-S equation and k-s turbulence model to calculate the inner 3-D viscid turbulence flow of hydraulic turbine. In the unstructured grid, the governing equations are discredited with Finite Volume Method based on Finite Element Method. And the pressure correction method is proposed in numerical calculations.

然后采用基于雷诺时均N-S方程与标准k-ε湍流模型来计算水轮机三维粘性湍流场，在非结构化网格中，采用基于有限元的有限体积法对方程进行离散，用压力校正法进行数值求解。

With finite differential method, the discretization equations are derived by chosing control volume integral method to solve the unsteady one-dimensional heat conduction question with variable physical properties, and the temperature distributinn in ladle lining in preheat is computed.

应用有限差分法，选用控制容积积分法推导出离散化方程组，对一维不稳定态变物性热传导问题进行求解，计算出钢包在预热过程中包衬的温度分布。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。