The feasibility to reduce the ice point of firewater for freezing protection is discussed.

探讨采用降低消防用水冰点达到防冻效果的可能性。

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I like to enhance the idea of "positive protection" as the best way to avoid freezing areas where some controlled activities can help to keep its vitality and some economic USES while possible.

我希望强调“积极保护”的理念，这是避免产生“冷冻区域”的最好方法，因为只要采取可控制的活动，即可在保证湿地活力的同时，也有经济利用的可能。

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In order to explore the protection method of the cells, the technology of freezing and recovery was used.

同时采用冷冻复苏技术，探索牛肾上腺髓质嗜铬细胞长期保存的可靠方法。

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