血虚型月经过少最佳选方为()
A. 滋血汤
B. 归肾丸
C. 两者均是
D. 二者均不是
质量管理是企业管理的()环节。
A. -般
B. 次要
C. 可有可无
D. 中心
Which three operations can be performed as multipartition operations in Oracle?()
A. Merge partitions of a list partitioned table
B. Drop partitions of a list partitioned table
Coalesce partitions of a hash-partitioned global index.
D. Move partitions of a range-partitioned table
E. Rename partitions of a range partitioned table
F. Merge partitions of a reference partitioned index
光缆纤芯长度利用率是指光缆资源以()为单位进行统计和计算的利用率。
A. 等效2M公里
B. 纤芯公里
C. 皮长公里