n.二次彈性

Complementary goods have a negative cross elasticity of demand. 互補(bǔ)商品的需求的交叉彈性為負(fù)數(shù)。

The text calculated the price elasticity of demand of NR (natural rubber) and the cross elasticity of demand of NH and SR by establishing the model of NR's demand function. 通過建立天然橡膠需求函數(shù)模型，估算了天然橡膠的需求彈性系數(shù)和天然橡膠與合成橡膠的替代彈性系數(shù)。

"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. 這家公司首先觀察價(jià)格對(duì)交叉需求彈性的影響。交叉需求彈性是指某產(chǎn)品的銷售因它種產(chǎn)品價(jià)格發(fā)生變化而產(chǎn)生的反應(yīng)。

The optimal designing method of cross elastic mechanism under special conditions was presented. 給出了特殊條件下十字彈性機(jī)構(gòu)的優(yōu)化設(shè)計(jì)方法。

Cross elasticity of demand for agricultural commodity 農(nóng)產(chǎn)品需求的交叉價(jià)格彈性