单语范例（未经PONS编辑处理）
These results correspond with the theoretical nature of the factor.
en.wikipedia.org It was devised as a theoretical transformation which makes the velocity of light invariant between different inertial frames.
en.wikipedia.org Values for actual systems will always be less than these theoretical maximums.
en.wikipedia.org They studied theoretical subjects and were subjected to a variety of tests.
en.wikipedia.org Still, it would be almost thirty years until the theoretical framework for evolution of complex traits would be widely formalized.
en.wikipedia.org