Figure 2: Spiral model of the software development lifecycle
图2：软件开发生命周期的螺旋模型
In the software engineering, both spiral model and prototype method emphasize evolvement.
在软件工程中，螺旋模型和原型法都是重视软件进化的。
There is one management problem with the spiral model: how do you schedule the iterations?
有一个螺旋模型与管理问题：你如何安排的迭代？
The spiral model is adopted in this software to resolve object system by prototype system.
该系统开发采用了螺旋模型，使原型系统最终解决目标系统，形成用户所需要的系统。
The spiral model is adopted in this software to re, lye object system by prototype system .
该系统开发采用了螺旋模型，使原型系统最终解决目标系统，形成用户所需要的系统。
A simplified spiral model is as a waterfall model with each phase preceded by risk analysis.
一个单一化的螺旋模型可以被看作每个阶段前都带有风险分析的瀑布模型。
This paper deals with those problems and describes a new way to develop es with Spiral Model.
文中通过分析这些问题，提出利用螺旋模型开发专家系统。
The spiral model of development includes explicit consideration of risks at all stages of the lifecycle.
周期的各阶段都包括的明确的关于风险的考虑事项。
These are the means by which knowledge is "amplified throughout the organisation, creating a spiral model of knowledge creation".
知识就是通过这些方式在企业中扩展，产生一个螺旋式知识创造模型。
According to the prototype method based on spiral model, the system builds a discipline ontology of computer network in teaching field.
该原型系统按照基于螺旋模型的原型法构建了教学领域的计算机网络学科本体。
Presently the main software process models are waterfall model, V-Shape model, incremental model, spiral model, rapid prototype model and parallel model.
目前的软件过程模型主要有线性模型、V模型、增量模型、螺旋模型、原型模型和并行网络模型。
The paper makes a comparative study on the methods of building ontology, presents their limitations, and puts forward a methodology of prototype based on spiral model.
本文对目前国内外主要的本体构建方法进行了比较研究，分析其局限性，并借鉴软件工程的思想提出了一种螺旋-原型的本体构建方法。
Methods A three-dimensional finite element model of maxilla containing palatal implant was built using spiral CT scanning, computer image processing, and CAD technology.
方法采用螺旋CT扫描、计算机图像处理及CAD技术，建立含腭部种植体的上颌骨三维有限元模型。
Methods Spiral ct scanning, image processing and CAD technology and FEM software were employed in the study to construct the three-dimensional finite element model of maxilla with a palatal implant.
方法采用螺旋ct断层扫描、计算机图像处理、计算机辅助设计和有限元软件处理，建立含腭部种植体的上颌骨三维有限元模型。
A mathematical model of spiral bevel gear tooth surface was built by analyzing manufacture method and meshing theory.
通过分析锥齿轮的加工方法和齿轮啮合理论，建立了螺旋锥齿轮齿面数学模型。
The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.
上述螺旋式上升的教学模式，可以避免教学形成模式后的僵化现象。
This paper presents a new spiral development model based on data warehouse through analyzing the data warehouse technique and traditional software development model of waterfall.
文章通过对数据仓库技术以及传统瀑布式软件开发模型的分析，提出了数据仓库开发的螺旋式开发模型。
To establish a cytological model of spiral ganglion neurons in vitro and to improve cell yield and viability.
目的：在体外建立大鼠耳蜗螺旋神经节神经元培养模型，并提高其产出率及细胞活性。
With the theory of kinematics, the universal model of changed Angle and variable pitch spiral groove on any turning surface is researched.
本文应用运动学理论，研究了任意回转体外表面上的变倾角变导程螺旋线的通用模型。
The designing of the center changes traditional sand-table viewing mode, so that visitors can look at the Bengbu Model from different angles and heights via rising spiral ramp.
中心的设计改变了传统的沙盘观察模式，使游客可以从不同的角度和高度通过上升螺旋斜坡看到蚌埠模型。
By using a four-layer model, the stabilities of ME type spiral sector transition region in the interplanetary magnetic field are discussed.
本文利用四层模式，讨论了ME型行星际磁场螺旋扇形过渡区的稳定性。
A mathematical model for an ovoid spiral scanning system with airborne laser for underwater object detection is developed and a scheme for dot matrix uniformity optimization is proposed.
建立了机载激光水下目标探测中的卵形螺旋线扫描系统的数学模型，提出了点阵均匀性优化方案。
By using a six-layer model, the stabilities of MD type spiral sector transition region in the interplanetary magnetic field are discussed.
本文采用六层模式，讨论了MD型行星际磁场螺旋扇形过渡区的稳定性。
The solitary wave theory of the weakly nonlinear, non-axisymmetric disturbances is used to model the spiral vortex breakdown.
本文使用弱非线性、非轴对称扰功波的孤立波模型模拟螺旋型涡破裂。
The three-dimensional simulation model of the spiral inlet duct of a diesel engine is created with the FIRE software, and CFD simulation of inlet flow is carried out.
利用FIRE软件建立了某柴油机螺旋进气道的三维仿真模型，对进气流动进行了CFD模拟计算。
New spatiotemporal patterns including oscillating square pattern, modulated stripe pattern and spiral pattern have been found in a three-variable Brusselator model.
利用扩展的三变量布鲁塞尔模型，得到了新的时空斑图，其中包括振荡四边形斑图、调制条纹斑图以及螺旋波斑图。
Based on the analysis of industry helical motion, spiral motion model is established, and a "total error" concept is proposed for its error analysis.
本文在对工业螺旋运动理论分析的基础上，建立了螺旋运动的数学模型，并对其误差进行了分析，提出了螺旋运动“全误差”的概念。
A theory model considering the face radial coning of spiral groove gas face seals was given.
提出一种考虑螺旋槽气体密封端面径向锥度的理论模型。
A theory model considering the face radial coning of spiral groove gas face seals was given.
提出一种考虑螺旋槽气体密封端面径向锥度的理论模型。
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