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1·The firm first looks at price as it affects demand cross elasticity, that is, the responsiveness of the sales of one product to a change in the price of another product.

这家公司首先观察价格对交叉需求弹性的影响。交叉需求弹性是指某产品的销售因它种产品价格发生变化而产生的反应。

2·The demand is affected by price and income, classified as price elasticity of demand, income elasticity of demand and cross elasticity of demand.

需求受价格和收入变动的影响，可以分为需求价格弹性、需求收入弹性、需求交叉弹性。

3·It is necessary to set price for passenger transportation according to demand elasticity and cross elasticity of passenger transportation.

必须在考虑需求弹性和交叉弹性的基础上，针对中国铁路特性科学制定客运价格。

4·Cross elasticity of demand measures the responsiveness of changes in the quantity demanded of one good to changes in the price of other goods.

交叉弹性需求的措施需求的一个好其他商品的价格变化的数量变化的响应的能力。