它的关注点在于，艺术家们运用纯粹美术和大众文化间的张力之方式，而形成对二者的批评。
It focuses on the way artists use the tension between fine art and mass culture to mobilize a critique of both.
某些主题之探讨包括钢筋混凝土、钢结构与工程木作设计，以及各类张力系统的介绍。
Some of the topics covered include reinforced concrete, steel and engineered wood design, and an introduction to tensile systems.
受压使之具有预张力，活塞环就紧紧地压在气缸壁上。
Compressing the rings give them an initial tension; they press tightly against the cylinder wall.
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