铅球成绩的丈量方法是钢尺的（）对准铅球落地的近沿，钢尺通过（），丈量落地最近点至抵趾板内沿的最近距离。
What does the output on this report indicate？（） RMAN> report need backup； RMAN retention policy will be applied to the command RMAN retention policy is set to redundancy 1 Report of files with less than 1 redundant backups File #bkps Name 5 0 C：\ORACLE\ORADATA\ORCL\MY_DATA_01.DBF [" The my_data_01.dbf datafile is corrupted and needs to be restored."," The my_data_01.dbf datafile has not yet been backed up. This report does not imply that the data in the datafile can not be recovered."," The my_data_01.dbf datafile has not yet been backed up. This report implies that the data in the datafile can not be recovered."," The my_data_01.dbf datafile no longer meets the retention criteria for backups."," Datafile 5 is missing."]
以下医用卫生材料及敷料，需要检查吸水时间要求在10秒以内的是（） ["医用绷带","医用纱布","创可贴","医用橡皮膏","医用棉花"]
一般配电线路应装设的电气仪表是（）。 ["电流，频率表","电流表，功率表","电压表，功率表"]
监理实施细则是根据监理规划，由专业监理工程师编写，经总监理工程师批准，针对工程项目中某一专业或某―方面监理工作的（）文件。 ["A.指导性 ","B.实施性 ","C.操作性 ","D.技术性"]
怎样进行亚慢性和慢性毒性试验设计？
