Most of them were preserved by the two_step freezing method.
其中，绝大多数藻类是采用两步冰冻法保存。
The paper introduces the design, construction and monitor of shield tunneling freezing method.
文章对盾构出洞冻结法设计、施工、监测做了介绍。
In underground construction, we often use artificially ground freezing method to control soft earth recently.
在地下工程施工中，为强化软弱地层，近年来常采用冻结施工法。
Therefore, freezing fixing is the better tea fixing method.
综合考虑，冷冻固样是较好的固样方法。
The method is subject to greater experimental errors than the freezing-point-depression method .
此方法比凝固点低压法易发生更大的实验误差。
The mechanism of freezing and thawing method was also discussed.
探讨了冻融法的作用机制。
The mechanism of freezing and thawing method was also discussed.
探讨了冻融法的作用机制。
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