They yield authoritative statements on rules of law.
它们对法律规则作了权威性陈述。
Because VR has been a fairly esoteric and specialized discipline, there are still aspects of it that haven't been studied enough for us to make authoritative statements.
因为虚拟现实已经成为一门相当深奥的专门学科，还有些方面仍然还没有被充分的研究，而足以让我们作权威性的发言。
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