东北地区蜂群室内越冬，蜂巢微生态环境表现出明显的特性。
It expresses obvious character from the entironment in honeybee colony which living through the winter indoors in northeast region.
结果表明，黑穗醋栗越冬死亡和其品种自身特性有关。
The result showing that the overwintering death of black currant is related to the variety's own characteristics.
应用推荐