This is the main problem with shields, there is no current theory as to how they would work.

这就是屏蔽武器的主要问题所在：至今没有任何理论证明它是如何运作的。

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Foundationalism falls into straits of solving epistemic regress problem which brings about another main theory directly Coherentism.

基础主义在解决知识回溯问题上陷入了困境，这直接导致了另一种重要的替代理论——一致主义的产生。

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This dissertation studied the existent problem of decision network planning based on fuzzy theory. The main research work is as follows.

本文基于模糊理论对决策网络计划存在的问题从以下几个方面进行了探讨。

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