As the title shows, the focus of the dissertation is on the Passive Compensation theory, a type of theory about artistic essence.

本论文述评的主要对象是作为一种艺术本质论的消极补偿说。

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Established in 2012, its flagship title product, the Padcaster, is a multifunctional iPad case that takes users from passive consumer to creative filmmaker.

ENGADGET: Padcaster SLR lens mount for iPad now available: priced at $149 or $189 for Lenscaster combo