The demand curve of schoolbook is two, is not.
教科书的需求曲线是两条，而不是一条。
The second category is the demand curve tangent problem.
第二类问题是求曲线的切线的问题。
Constant-ductility strength demand spectrum is often applied to the construction of structural demand curve.
等延性强度需求谱常用于结构需求曲线的建立。
The tranquilization of the labor demand curve is important to the gross unemployment.
劳动力需求相对稳定是总量性失业产生的重要条件。
The purpose of this section is to go behind the market demand curve.
这一节的目的是探究市场需求曲线背后的奥妙。
The purpose of this section is to go behind the market demand curve.
这一节的目的是探究市场需求曲线背后的奥妙。
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