一位群连接器 one digit grouco ector; one digit grouconnector
单位 1.(计量事物的标准量的名称) unit (as a standard of measurement) 长度单位 a unit of length; 货币单位 monetary unit; 以秒为单位计算时间 measure time by the second2.(机关、团体或属于一个机关、团体的各个部分) unit (as an organization, department, division, section, etc.) 附属单位 affiliated unit; 基层单位 basic unit; grass-roots unit; 行政单位 administrative unit
According to the characteristics of lithology and lithofacies , the principle that lithostratic unit group is related to volcano cycle or sedimentary cycle , jiangnan region can be divided into two groups , wuyi region can be divided into three groups , nanling region can be divided into four groups 根据岩性岩相特征,结合岩石地层单位群与火山旋回或沉积旋回相对应的原则,将江南区划分为两个群,武夷区划分为三个群,南岭区划分为四个群。