The changes of English history 基本例句 历史变迁 The paper tells something about the long economic history of the reindeer Owenks.本文客观实在而科学地论述了驯鹿鄂温克族驯鹿业经济漫长的历史变迁。 The task of social science was to identify the forces promoting historical changes.社会学的任务就在于探究各种对历史变迁起推动作用的力量。