space economy

Reload design is directly related to the economy and safety of a Pressurized Water Reactor ( PWR). Because of the large search space and large number of optimization variables, PWR LP search is a very complicated combinatorial problem.

压水堆堆芯换料方案设计关系到核电厂运行的安全性和经济性，但由于优化变量众多搜索空间异常庞大，是一个十分复杂的组合优化问题。

Grade of a business center district, geography position, character of the city, lever of economy, means of transportation distributing, rent ( land-value), population factor, and the mode of consumption infect synthetically space composition.

其中，商业中心区的级别、地理位置、城市性质、经济发展水平、交通设施分布、以及租金（地价）、人口因素、消费模式都将对其产生直接影响。

Because of characteristics of the satellite network, it is not realistic on time and economy to make use of the true space environment to carry on the physical test.

由于卫星网络本身的特点，利用真实的空间环境进行物理测试在时间上和经济上都是不现实的。

Other aspect, the development of market economy needs popular culture to relax and dissolve the pressure of existence and spirit of social masses, supplies people with space and way of whiling away the time, new way of revealing and developing subject nature of individual;

另一方面，市场经济发展需要大众文化放松和化解社会大众的生存压力和精神压力，给人们提供打发闲暇时间的空间和途径，为人们提供展示和发展个体主体性的新方式；

As a key part of the national space information infrastructure, the geography space frame of Digital China is the basic supporting platform of national economy and social informatization.

数字中国地理空间框架作为国家空间信息基础设施的重要组成部分，是国民经济和社会信息化的基础支撑平台。

RBD is one of the main forms of the urban recreation space with specific geographic and functional characteristics. It plays an important role in public communication for space providing and reflects the development of society, economy and culture of the city.

游憩商业区是人们活动的重要公共空间与交往场所，反映着城市社会、经济、文化的发展水平，具有特定的地理与功能特征，已成为城市旅游新的经济增长点。

China's economy is highly resilient and has much potential and ample space to grow.

中国经济有巨大韧性、潜力和回旋余地。

The Analysis of the Time and Space on the Development of Tourism Economy in Xi'an

西安旅游经济发展的时空分析

The definition, the basic types, the essential feature, space-time pattern, idea about TEB and regional economy development in coordination are given and discussed.

主要阐述交通经济带的基本概念、基本类型、基本性质、空间及构建模式，以及与区域经济协同发展的思想。

The study on distribution rules, causes and evolutionary mechanisms of the space variation of urban housing prices is an important branch in urban economy and urban geography.

城市住宅价格空间分异的分布规律、形成原因以及演变机制是城市经济学的一个重要研究分支，也是城市地理学的一个重要研究方向。