The methods to raise freezingefficiency are discussed in detail.
详细讨论了提高理想冷冻效率的方法。
2
The function of pause and freezing variable used in the optimization program improves the efficiency of optimal design.
优化程序具有暂停和变量冻结功能，提高了优化设计的效率。
3
Due to its convenience and economical efficiency, the high-strength concrete shaft lining has been widely used in deep shaft sinking by freezing method.