逐步建立

Based on information theory, this paper presents that the nature of tourism con-sume is the process to get information of geographical encirclement.

随着我国社会主义市场经济体制的建立，人民收人水平的提高，旅游消费已逐步成为一种大众性消费形式。

On the basis of mathematical analysis, a multiobjective nonlinear programming model on a multiobjective transporting vehicle arrangement is set up. Two fast arithmetic methods, i. e. gradual integralization method and enumerative integralization method, are put forward hereafter and an actual problem is solved by making use of the Matlab program.

针对露天矿生产中的一个多目标优化运输问题，基於数学分析，建立了一个多目标非线性规划模型；提出了模型的逐步整数化方法和穷举整数化方法两种快速算法，并利用研制的Matlab程序计算了一个实际问题。

In the operation,some important techniques,such as hypothermic injection,mode and position of anastomosis of the donor vessels with the recipient ones ha-ve been improved.Methods to establish and observe the extrasomatic blood circu-lation of the donor kidney were recommended in this paper.

对于手术至关重要的低温灌洗途径的选择、供体血管的解剖及与受体血管的吻合方式和部位等解剖学技术逐步进行了改进和完善，介绍了供肾体外血循环的建立和观察方法，提出了保护肾上极动脉的初步意见。

Highly efficient and stable method of parameter estimation is built. The fitting degree of extensive extreme value distribution and the extremeⅠ,Ⅱ,Ⅲtype distribution was compared, among which the optimal distribution type are researched.

针对极大似然法参数估计的失效问题，将逐步迭代法推广应用于广义极值分布，建立了参数估计的高效稳定算法，并比较广义极值分布与极值Ⅰ、Ⅱ、Ⅲ型分布的拟合度，研究平均风速的最优分布类型。

At the same time,the convergence speed of this algorithm and the capacity of searching global extremum is increased.

建立改进后的BP网络模型，通过该模型和逐步回归方法对某市降水量进行实例分析。

Firstly,the ML model was given to determine father node, evolutionary time and the relationship between conserved probability and similarity.

分别建立了确定父节点的ML模型、确定进化时间的ML模型以及保守概率与相似度关系模型；并通过递推，逐步恢复生物进化的原过程。

Firstly, the ML model was given to determine father node, evolutionary time and the relationship between conserved probability and similarity. Then the process of organism evolution was recovered.

分别建立了确定父节点的ML模型、确定进化时间的ML模型以及保守概率与相似度关系模型；并通过递推，逐步恢复生物进化的原过程。

Users are able to build hierarchical model and do all the operations that are necessary for building,such as modification,deletion,saving,model fattener,simple function simulation.

为解决使用Petri网建模遇到的状态空间爆炸问题，提出使用层次模型，采用分层细化逐步求精的方法建立Petri网分层模型。

The establishment of it is a gradual process of development.

劳动力市场体系的建立是一个逐步演进的过程。

Along with the development of the socialist market economy, the guaranty system also has been perfected.

伴随着社会主义市场经济体制的建立和发展，我国的保证担保制度也经历了一个逐步完善的过程。

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。