In this paper, according to the vortex flow theory, a new dual chamber vortex generator model is suggested to improve the COP of the absorption refrigeration system.

根据旋流理论提出了一种新型的用于吸收式制冷循环的双室涡旋发生器。

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The film "Nancy Drew" -- which seems to have been pitched as an unlikely combination of "Beverly Hills Cop" and "Clueless" -- is more faithful to this model than it first appears.

CNN: Review: 'Nancy Drew' true but slight