Since the JRuby project is already in a 1.0 release, we are doing our first proof-of-concept on that platform.

由于JRuby项目已经发布了1.0版本，因此我们正在这个平台上进行第一次想法证实的尝试。

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However, in this case we can simplify things quite a bit and just show a direct proof by leveraging our first proof.

不过，在本例中，我们可以进行相当程度的简化，只是通过补充我们的第一个证明来给出一个直接证明。

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The study is the first proof that old lung scaffolds can be used as a scaffold on which new lung tissue can grow.

这项研究第一次证明了，可以利用旧的肺作为框架，让新的肺组织细胞生长成为一个完整的肺。

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"These findings provide the first proof in man that aspirin prevents distant cancer metastasis, " the second study's authors concluded.

WSJ: Studies Find New Evidence Aspirin May Prevent Cancer

Or, before getting all excited about electric cars, show me workable electric motorcycles first as proof-of-concept.

FORBES: How to Swap the Obama Budget for an Optimistic Economic Growth Agenda

And although we've known that for years, this is the first big scientific proof of that relationship.

CNN: Simple test may determine smokers' lung cancer risk