Demand can exist in different forms and derived demand is one of them.
需求可以有不同的存在形式以及他们其中之一所衍生的其他需求。
The drug is derived from the bark of the cinchona tree, native to South America, and by 1856 demand for the drug was surpassing the available supply.
这种药物是从原产于南美洲的金鸡纳树的树皮中提取的。到了1856年，对这种药物的需求已经超过了现有的供应。
Utility derived value allows products or services to be measured on outcome instead of demand or supply theories that have the inherent ability to be manipulated.
效用产生的价值按结果衡量产品和服务，而不是根据能够扭曲的供应需求理论。
Labor supply is derived from a household's utility maximizing behavior, while labor demand from a firm's profit maximizing behavior.
劳动供给源于家庭的效用最大化，劳动需求源于企业的利润最大化。
Placing an inheritance demand on a static method in the base class has no impact on derived classes because the static methods are unrelated.
由于没有相关的静态方法，因此在基底类别的静态方法上放置继承要求对衍生类别并没有影响。
All methods in the derived class, including the constructor for the class, must meet the inheritance demand.
派生类中的所有方法(包括类的构造函数)都必须满足该继承要求。
The equation of air demand was derived from the theory of oxygen transfer in aeration.
根据曝气过程中氧转移的有关理论，推导出需气量的表达式；
Design is derived from life but higher than the life of a culture, demand to determine innovation, innovation change life.
设计是源于生活而高于生活的一种文化，需求决定创意，创意改变生活。
Section two will discuss how individual demand and market demand curve is derived, output decision in the short-run and in the long-run.
第二节将讨论如何个人需求和市场需求曲线的推导，在短期和长期的产出决策。
Design is derived from life but higher than the life of a culture, demand to determine innovation, innovation improve the value.
设计是源于生活而高于生活的一种文化，需求决定创意，创意提升价值。
Is based on market demand derived from a low speed, gear-type pumps.
是根据市场需要派生出的一种底速齿轮式输送泵。
She has derived a formula that shows that an increase in demand guarantees that the new route will not be used and will no longer increase travel times.
她推导出的公式标明，交通需求量增加到一定程度会造成新路线的不再使用而不会增加出行时间。
She has derived a formula that shows that an increase in demand guarantees that the new route will not be used and will no longer increase travel times.
她推导出的公式标明，交通需求量增加到一定程度会造成新路线的不再使用而不会增加出行时间。
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