Polymerase chain reaction is really just a process of heating and cooling genetic material.
聚合酶链反应（PCR）确实就是一个给遗传物质加热和冷却的工艺而已。
Computer cooling is the process of removing heat from computer components.
计算机冷却的过程中清热从计算机部件。
Plate from the dryer, and advance the process of gradually cooling down the production line.
板从干燥机出来，在生产线前进过程中逐步降温。
Plate from the dryer, and advance the process of gradually cooling down the production line.
板从干燥机出来，在生产线前进过程中逐步降温。
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