混凝土坝体渗水处理目前方法很多，一般采用上堵下排的方法。

There are many treatment method for seepage of concrete dam body. Blocking at upstream face and drainage at downstream face is one generally adopted.

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但是目前方法的实施仍然很模糊，因为我们对这种有机体仍知之甚少。

How that might be done is obscure at the moment, for the organisms are still barely understood.

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目前方法存在 反应流程周期时间长、条件苛刻、后处理复杂等问题。

The current method has the problems of long cycle time of the reaction process, harsh conditions, and complicated reprocessing, and so on.

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Another approach which is still investigational, in that it's being tried for many diseases but not yet clinically used in any particular one, is maybe you don't need to introduce a whole virus or pieces of a protein at all.

另一种方法目前仍处于试验阶段,该方法即将试用于许多疾病,但还没有对某一特定疾病进行临床试验,那就是无需引入整个病毒,或者根本不用引入蛋白质片段

耶鲁公开课 - 生物医学工程探索课程节选