在科学计算，过程不再是渗流，但提取。

In scientific terms, the process is no longer percolation, but extraction.

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但提取所需数据时的评分项目，须注意分组。

But the group division is taken into consideration when abstracting needed data.

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范豪斯告诉我，纯化昆虫蛋白终会出现，但提取过程现在仍有困难。

Van Huis told me that purified insect protein is "the ultimate possibility," but that isolating it remains difficult.

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We know it has to big anyway, since we can extract heat from it without changing the temperature.

我们知道它必须很大，因为我们得从中提取热量,但不改变它的温度。

麻省理工公开课 - 热力学与动力学课程节选

There are services now, we don't know yet how to get those stem cells out of cord blood and how to use them for therapies, but it's reasonable to think that we might know about this in 30 years.

现在已经有提供这样的服务了,我们现在还不知道如何从脐带血中,提取这些干细胞并用于治疗,但有理由相信,在未来的30年内我们会知道的

耶鲁公开课 - 生物医学工程探索课程节选