Monopoly While a competitive firm is a price taker, a monopoly firm is a price maker

Imperfect Competition Imperfect competition refers to those market structures that fall between perfect competition and pure monopoly

Every field of study has its own terminology Mathematics axioms integrals vector spaces Psychology

Economy. . . . . . The word economy comes from a Greek word for “one who manages a household

Elasticity . . . … is a measure of how much buyers and sellers respond to changes in market conditions … allows us to analyze supply and demand with greater precision

Factors of Production Factors of production are the inputs used to produce goods and services

一、概念 二、源流 三、证候特征 四、病因病机 五、诊断与鉴别诊断 六、辨证论治

胸痹痛 一、胸一病位在心脉 二、痹——痹阻不通 三、心痛一膻中或左胸部 四、憋闷、疼痛

概念 胃痛,又称为胃脘痛,是由于 脾胃受损、气血不调所引起的胃 脘部疼痛

1、熟悉遗精的基本概念 2、熟悉与溢精、早泄的鉴别 3、理解