Thus any rock found bearing these index fossils can be dated fairly accurately as belonging to their proper period in history . 因此凡是发现含有这类标准化石的岩石就可以相当精确地断定它们在地质史上属于某个相应时代。
2.
This finding bears an implication that " faithfulness " should give way to " treason " ( e . g . using adaptation strategy ) if the latter can better achieve the expected purposes of the translated movie titles 本研究的启示是如果“叛逆” （如使用改译策略）能更好地实现译名的预期目的， “忠实”应当让位于“叛逆” 。
