These four categories, and the simple types themselves, were introduced in the first article in this series, "Discover Python, Part 1: Python's built-in numerical types."
这四种类别和简单类型本身在本系列的第一篇文章“Python入门，第1部分：Python的内置数据类型”中作了介绍。
In this paper, the numerical solution of differential equation is employed to establish the forecasting model of the time series.
本文利用微分方程的数值解法对时间序列建模预测作了新的尝试。
In this paper a new method of modeling forecasting is given for the time series by using the numerical solution of differential equation.
本文利用微分方程的数值解法对时间序列建模预测作了新的尝试。
Numerical control may be defined as a method of accurately managing the movement of machine tools by a series of programmed numerical data which activate the motors of the machine tool.
数控是一种可以靠一系列的可以驱动机床电机的可编程的数字数据来精确控制机床运动的方法。
In this paper, the validity of small specimen SHPB technique was analyzed by numerical simulation and SHPB test of series of dimension LY12 al specimen.
本文结合数值模拟和系列尺寸ly12铝合金试样的SHPB试验对小尺寸(相对于压杆直径，下同)试样SHPB实验的准确性进行了分析和探讨。
Measures humidity, temperature, and barometric pressure in two accuracy classes. The PTU300 series features a large numerical and graphical display. Optional data logging and (w) LAN interface.
该产品可以测量温度、湿度和大气压力，并有两个精度等级可选，此外，PTU300系列带有大屏幕数字显示器。还有可供选择的数据采集和(W)LAN界面。
The foreign countries have utilized the methods of wind tunnel test and numerical flow simulation, and carried out the series research on this problem.
国外利用风洞模型试验和流场数值模拟计算的方法，对此问题进行了系列化的研究。
Using numerical method, the formulas are derived from a series of results given by the CGP3 program.
该公式是根据CGP3程序的大量计算结果，应用数值方法归纳出来的。
To analyze the wind-induced dynamic response of offshore wind turbine in time domain, the numerical simulation of fluctuating wind velocity time series was studied.
为了分析海上风机结构在时域内的风振动力反应，进行了脉动风速时程数值模拟研究。
Theoretic analysis and numerical calculation was made to find out the rupture reason for a series of bolts used to fix the commute-net in plenum of altitude cell in this paper.
对高空舱整流网固定螺栓断裂原因进行了理论分析和数值计算，找出了故障原因，并提出了解决方案。
A series of numerical parametric studies on active control of separation flow over a hump model are presented.
针对凸包流动分离主动控制开展了参数化数值研究。
In this paper a new method of modeling forecasting is given for the time series by using the numerical solution of differential equation. A practical example is also given.
本文利用微分方程的数值解法对时间序列建模预测作了新的尝试。文中用实例给以说明。
Nc automatic program is a mainstream of the programming approach in the current numerical control process, and it has a series of merit such as quick speed, short period, high quality and convenience.
数控自动编程是当前数控加工中编程方法的主流，它具有编程速度快、周期短、质量高、使用方便等一系列优点。
The numerical calculating results agreed well with the test data. The parameters affecting the web crippling capacity are researched through a series of numerical test specimens.
系列数值分析表明影响槽钢腹板压屈的主要参数是腹板的厚度、屈服强度、槽钢的内角半径。
By numerical analysis, a series of curves are given to describe the magnetic flux density distribution character of the flat spiral coil.
通过数值分析，给出了一系列描述平面螺旋线圈磁场分布特性的曲线，讨论了线圈结构对磁场分布的影响规律。
A series of numerical experiments on computer show that the method is correct, effective and feasible.
并在计算机上进行了一系列的数值实验，验证了该方法的正确性、有效性和可实现性。
In solving each iterative equation, the solutions are approximately expressed by the power series with finite terms and the coefficients of the power series are determined by the numerical method.
在求解各级迭代方程中，文中将解近似地用有限项幂级数表示，并数值地求解此级数各项的系数。
Analysis of numerical methods with rc, RL series circuit transient process and numerical methods in analysis of other complex circuit application examples.
用数值计算方法分析RC、RL串联电路暂态过程及数值计算方法在其他复杂电路分析中的应用举例。
Both mechanism and its influencing factors are investigated while a series numerical calculation is implemented by using the model established.
用所建立的模型进行了微生物调剖的机理及影响因素的研究，进行了一系列的计算。
The HDL series automatic tool-changing electrical mainshaft developed by the company can be used combined with the high speed numerical control machining center.
公司开发的HDL系列自动换刀电主轴与高速数控加工中心配套使用。
In this paper, the numerical solution of differential equation is employed to establish the forecasting model of the time series. A practical example is solved for illustrating the proposed approach.
本文利用微分方程的数值解法对时间序列建模预测作了新的尝试。文中给以实例说明。
We also equipped with a series of numerical control conveyor systems of flattening, cutting, folding and auto-welding, we could manufacture all kinds of steel poles and steel towers.
我们还配备了一系列扁平化的数控输送系统，切割，折叠和自动焊接的，我们可以制造各种钢柱和钢塔。
Numerical test results show that SVR has good ability of modeling nonstationary financial time series and good generalization under small data set available.
数值实验表明，SVR方法对非平稳的金融时间序列具有良好的建模和泛化能力。
Wind speed time series obtained with numerical simulation methods are adopted in structural analysis of wind-induced vibration.
基于数值模拟方法的风速时程曲线在桥梁结构风振分析中被广泛采用。
With nc cutting plate machine, CNC punch, CNC bending machines, CNC machine circle round, nc thermal machine, CNC laser cutting machine and a series of advanced numerical control equipment.
拥有数控剪板机、数控冲床、数控折弯机、数控圈圆机、数控热成型机、数控激光切割机等一系列进步前辈的数控设备。
Based on a series improvement and experiments within 3 years, a 3-dimensional numerical ocean model is developed for the operational forecast in the Bohai Sea.
经过3年的努力，渤海三维海洋温度和海流数值预报系统研制完成，并于2003年10月，开始试预报。
With new outlook, this series of machine tool was designed on a high standard platform, belongs to high precision numerical machine tool family.
该类机床造型新颖、起点高，属于高精密数控机床。
With new outlook, this series of machine tool was designed on a high standard platform, belongs to high precision numerical machine tool family.
该类机床造型新颖、起点高，属于高精密数控机床。
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