需求

Price elasticity of demand is calculated as the percentage change in quantity demanded divided by the percentage change in price.

如果需求曲线是富有弹性的，如果需求曲线是富有弹性的，总收益随着价格的上升而减少。

What are her income elasticity and price elasticity now?

现在的需求的收入弹性和需求的价格弹性呢？

Cold origin of Thermal storage air condition system: it can store energy when at night the need of electricity is small and electrovalence is low, thus improving the utilization efficiency of the host computer and save electricity fees.

冰蓄冷空调系统冷源：可在夜间电力需求少、电价低谷时段进行低温冰层蓄能，白天电力需求多、电价高峰时段主机与融冰同时供冷，从而利于提高主机利用效率、有效节约电力费用。

There is a widespread belief that the incentives, which range in value from about Euro750 ($1,050) to Euro2,500 and are only available to buyers with cars over ten years old, are only "pulling forward" demand and will thus enfeeble the recovery when it comes.

市场普遍认为，此类鼓励举措，即价格浮动750欧元(1050美元)至2500欧元及仅对拥有年数超过十年的汽车买主可行，只是"提前预支"需求，而在需求来临时将削弱复苏。

The epagoge for growth trend of the market demand structure in the world and the product structure in our country is put up in this article. The conclusion is, with the development of electric implement, food, medication, cosmetic industry etc., in the world and our country; the demand of high-quantity paraffin has been rapidly increased.

本文对世界石蜡的市场需求结构的发展趋势及我国石蜡工业的生产结构进行了归纳分析，认为，随着我国及世界电器、食品、医药、日用化妆品工业的发展，对高质量石蜡产品的市场需求将快速增长。

From dynamic customer demand, supply chain is composed of supplier and retailer, combining P-control strategy with z-transformation, a dynamic model is given, building model of traditional, EPOS, VMI supply chain respectively.

研究在动态顾客需求下，生产商和零售商所组成的供应链系统，采用P-控制策略和z变换相结合，给出一个动态模型，并分别对传统、EPOS和VMI供应链进行建模，通过仿真，分析和比较顾客需求信息对三种供应链性能影响的效果。

In this strategy, the principle of the equilibrium between the requirements and benefit of manager and users are considered simultaneously and the functions of RGS are proposed.

以城市交通系统为背景，从管理者利益和用户需求两方面进行分析，对RGS的功能进行定位，认为导行系统的功能原则能够同时满足管理者和出行者的利益需求。

The probability of high demand is estimated as 40%, and of low demand as 60%.

高需求概率估计为40％，低需求概率估计为60％。

Beijing Development and Reform Commission, Director of Investment Division of the Song, recently said that the capital market is still much room for development, if you look at the scale of demand is estimated that by 2010 about 20 million units of housing demand.

北京市发展和改革委员会投资司司长宋，最近表示，资本市场仍有很大的发展空间，如果你看一下需求的规模，估计到2010年约20万套住房的需求。

Asia Pacific petroleum product demand is estimated to have increased by 215 kb/d in 2002, with China projected to account for about 65 percent of the increase (140 kb/d).

据估算，与2001年相比，2002年亚太地区石油制品需求的增长值为215千桶/天，其中中国的需求增长量占总增长量的65%(与上年相比，中国在2002年的增长值为140千桶/天)。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。