Its distribution pattern was aggregative and the stand structure had distinct levels.分布格局呈群聚型,林分結(jié)構(gòu)層次分明.In the course of its development, an integrative aggregative tension appeared.在教育政治學(xué)發(fā)展的過(guò)程中, 出現(xiàn)了兩種張力:整合的張力和多元的張力.Sino ...