Who is stupid enough to wear sandals when its freezing cold outside and raining?
天这么冷，外面又在下雨，有谁会这么笨穿凉鞋呢？
Discribes the theory of air refrigerator and its application to train air-conditioning, freezing and cold storage, aircraft air-conditioning and large low temperature environmental laboratory.
主要叙述空气制冷机的原理及其在列车空调、冷冻冷藏、飞机空调和大型低温环境试验室中的应用。
Cold acclimation induced the increase of soluble protein content, and its time course of increase was in accordance with the development of freezing tolerance.
低温驯化诱导可溶性蛋白质含量增加，其增加的时间进程与细胞抗冻性发育呈平行关系。
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