领海冲突，边界争议，这些并不是科学研究平时涉及的内容。
Clashes at sea. Disputed borders. It is not the usual stuff of science.
当然，这些测试采取许多不同的形式，测试的内容也颇有争议。
Such tests come in many varieties, of course, and have a controversial background.
争议的内容是应受保护的范围。
第一次出去时最好远离争议性的内容。
Staying away from debatable content is a good idea the first time out.
第一次出去时最好远离争议性的内容。
Staying away from debatable content is a good idea the first time out.
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