保护舆论监督的关键是新闻侵权的划界问题，这有赖于严格的法律界定。

The key to protect the supervision by public opinions is a problem of dividing line of news infringement act, which depends upon strict law boundary.

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第一，仲裁庭无视菲律宾提起仲裁事项的实质是领土主权和海洋划界问题。

First, the Arbitral Tribunal disregards the fact that the essence of the subject-matter of the arbitration initiated by the Philippines is issues of territorial sovereignty and maritime delimitation.

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在20世纪后期，在关于科学划界问题上，科学哲学家陷入了争论不休的尴尬局面。

Science philosophers were in the embarrassing situation of the debate about the issue of science demarcation in the late 20th century.

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