We investigate the fluctuation of price process in a stock market with Ising model and the mean field theory, and construct the corresponding random logarithmic price returns process. 再利用计算机模拟股票价格收益率的分布特征,模型很好的刻画了现实证券市场中股票收益率分布的宽尾现象、长记忆性,以及累积分布中尾部收益的指数递减现象。
Online home appliance retailing field strong, from the price war extends to the front of a supply chain procurement procedures. 线上家电零售领域的火药味,从价格战延伸到供应链前端的采购环节。
Analysis on ABC in Field of Weapon Equipment Price 基于作业成本法的武器装备定价分析
For this example, drag the list price field from the products table to the unit price field from the order details table. 在本示例中,将“产品”表中的“列出价格”字段拖动到“订单细节”表中的“单价”字段。
The world economic field thinks that if the price of crude oil rises to47 USD per barrel, the commercial significance in development and utilization of reproducible energy will be obvious; 世界经济界认为,如果原油价格升至每桶47美元,开发利用可再生能源的商业意义就得以显现;
Besides, there were fruits and veggies for sale at the field price. 此外,水果和蔬菜以产地价出售。
In view of input-output method being generally acknowledged riper in the world, when we evaluate mulberry field with input-output method income price of mulberry field is mainly determined by silkworm net income and capitalization rate for the land. 鉴于投入产出法是国际上公认的比较成熟的土地估价方法之一,利用投入产出法对桑园估价,桑园收益价格主要由桑蚕净收益及土地还原利率决定。
Global Positioning System ( GPS) have broaden its application prospect in the field of determination of attitude because its advantage and low price. 全球定位系统(GPS)的良好性能和便宜的价格为其在姿态测量领域的应用开辟了广阔的前景,GPS载体姿态测量技术也成为GPS应用中的热门研究方向。
Utilization of Stochastic Movement Equation of Spatial Diffusion in Nonhomogeneous Field in Appraisal of the City Land Price 非均质随机扩散方程在城市宗地地价评估中的应用
The cooled infrared system is limited to use in the civilian field due to large size, high price. 由于需要制冷使红外系统体积过大、成本偏高,限制了它在民用领域的应用。
The CAN is a kind of field bus which has higher ratio of capability and price, and more effective capability of real time process. CAN是现场总线中的一种,具有较高的性能价格比和较强的实时处理能力。
Event-Study Method is widely used in corporate field to study the impact of event on stock price. Nowadays the method is more and more frequently applied in the field of industrial economy. 事件研究法(Event-StudyMethod)在公司金融领域中被广泛运用于分析股价的影响,随着该方法的逐渐完善成熟,越来越多的被应用于产业经济学的研究。
This article is focused on the effect of field measures on the price and quality of drip irrigation system and exactly determining the quantity of irrigation water. The length of drip line is an important parameter of optimum design. 在滴灌系统的田间工程中,毛管的长度是滴灌系统优化设计时的一个重要参数,它不仅影响滴灌系统的造价,而且还影响到滴灌系统的灌水均匀度。
It deems that high-new-tech products are mutually diverse in the field of high-new technology, so high-new-tech enterprises adopt diverse price tactic and innovating tactic of technology when they draw up competing tactic. 认为:在高新技术领域,山于高新技术产品之间也彼此不同的,因此在制定产品竞争策略时,所采用的价格策略和技术创新策略也是不同的。
In the field of price policy, this system has carried on beneficial exploration and got the preliminary affirmation too. 在价格决策领域,这一制度也进行了有益的探索并得到了初步的肯定。
The price regulation issue of the government is always an important emphasis in economics research field, and the research on the price regulation of traditional monopoly industry has become the hotpot in the field of theory. 政府价格管制问题一直是经济学界研究的重点,其中自然垄断行业的价格管制问题是政府价格管制研究的核心。
Except that, the limited received field, the higher advertisement price and the AV's partial cover right by Guangdong Province cable television network also set the obstacles to gain its profit quickly. 同时,星空卫视有限的收视范围、相对较高的广告价位以及广东省有线网对其广告享有的部分覆盖权也是星空卫视实现尽早盈利的最大阻力。
So the project management level has jumped to a new stage. In telecommunication engineering field, the competition not just rests on price and quality, but more and more on differentiated customized service. 在通信工程领域,随着市场日趋竞争激烈,竞争已经不仅仅是停留在价格和质量上,更多的是差异化个性化的服务竞争。
This paper makes research on the practical field of project biding and quoting price theory and method based on latest research on it inland and abroad by applying the method of artificial intelligence. 本文在研究国内外投标报价决策理论与方法的最新成果基础上,运用人工智能的相关方法和思想,提出了工程投标报价决策支持系统的理论框架和相关方法,并进行了实际应用研究。
As our country joins WTO, international trade enlarges further regardless of scope and depth, and the disputes in trading field also grow gradually, trading war will pay out very grievous price for both sides. 随着我国加入世贸组织,国际贸易无论在广度和深度上都进一步扩大,贸易领域的争端和纠纷也逐渐增多,贸易战对双方来说都要付出极为惨痛的代价。
Owing to the progress of the technology, the natural monopoly nature in the operation field of telecommunications has changed greatly. We should exam the Price discrimination in the operation field of telecommunications again. 由于技术的进步,电信运营业的自然垄断性质发生了很大的改变,电信运营业中的价格歧视已经失去了存在的必要。
Superabsorbent polymer has been widely used in industry, agriculture, medical hygiene field and so on, but because of its expensive price had limited its application domain expansion. 作为一种新型功能高分子材料,高吸水树脂可以广泛应用于工业、农业、医疗卫生等领域,但是其较高的成本限制了应用领域的扩大。
In order to get more elements to decide the software development cost, we use for references of the principle in non-cooperative game and the MCL model in economic field, than propose a market price model based on AHP analysis method. 作为进一步确定软件的开发成本的依据,我们结合非协同竞争游戏中的优胜原则和MCL价格模型,提出了一个基于AHP分析方式的同类软件产品的市场价格模型。
The PXI system, which is the leading technology in the instrument-testing field, with characters of high standardization, high performance and price ratio, open nature and easy maintenance, has been using more and more widely. PXI系统是仪器测量领域的前沿技术,它具有高度标准化、高性价比、开放性和易维护性的特点,应用日益广泛。
The author thinks for the meaning of bride price existing under the rural field, it is the meaning that gives the bride price rationality, taking this to understand the influence of traditional culture to the villagers in the modern society by the bride price and payment behavior. 笔者对乡村场域下彩礼存在的意义进行了思考,正是这些意义赋予了彩礼存在以合理性,借此旨在去理解受传统文化影响的村民在现代社会中所作出彩礼要价和支付的行为。
The relationship of the price between soybean, soybean meal and soybean oil is compared to iron triangle by people of this field, because their price fluctuations have high correlations. 大豆、豆粕和豆油之间的价格具有非常强的联动性,被业内人士称为铁三角关系。
Currently, in the situation of international and domestic chemical fertilizer market with cut-throat competition, after experiencing rise substantially in first half-year, chemical fertilizer field goes through a normal price heavy slump caused by financial crisis in second half-year. 在目前国际、国内化肥市场竞争异常激烈的情况下,化肥行业在经历了2008年上半年大幅上涨后,又经历了因金融危机而导致的下半年的化肥价格的普遍暴跌。
The heavy tail characteristic of distributions exists generally in many field, financial asset prices, insurance claims, network traffic, price process in online auction and many phenomena of human behavior meet heavy-tailed distribution. 重尾分布在许多领域中存在,金融资产价格、网络流量、保险索赔、网络拍卖中的叫价过程等许多人类行为现象服从重尾分布。
The existing machine vision systems are inconvenient to carry to the field for work. The expensive price and complex operation restrict it from popularization to the farmers. 现有机器视觉设备不太方便携带到田间作业,且价格昂贵,导致该项技术不易向农户推广。
Carbon steel is widely used in engineering machinery and construction projects and various field because of its good machinability and low price. 碳钢,因其良好的机械可加工性能和低廉的价格被广泛应用于机械、建筑等各个领域。