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。
Crystal sugar is white granulated sugar as raw material, processed cooling made of crystal.
冰糖，是以白砂糖为原料，经加工冷却结晶制成的。
The machine is very efficient in heating, pressing, cooling the base material.
这台机器在加热、压制、冷却原材料方面效率很高。
Magnetic refrigerant material is the core of magneto-cooling technique.
磁致冷材料，是磁致冷技术的核心。
Magnetic refrigerant material is the core of magneto-cooling technique.
磁致冷材料，是磁致冷技术的核心。
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