目前各种方案的提出和论证仍在进行中。

Now, diverse scheme are still being put forward.

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论证表明该方案几乎是不可破译的。

It is proved that this system is unlikely to be broken.

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然后，论文进行了方案论证和设计过程的详细论述。

Then, the thesis program verification and design process in detail.

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利用概率论知识，本文作了详细的理论分析，论证了方案的可行性。

Through probability theory, specific analysis is made to demonstrate the feasibility of the method.

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利用概率论知识，本文作了详细的理论分析，论证了方案的可行性。

Through probability theory, specific analysis is made to demonstrate the feasibility of the method.

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