单项选择题
A.2.0% B.7.0% C.8.0% D.9.0% E.无法计算
RR值为()A.0.87B.0.94C.1.30D.2
单项选择题RR值为()
A.0.87 B.0.94 C.1.30 D.2
PAR%为()A.90.00%B.93.26%C.92.50%D.87.50%E.50.26%
单项选择题PAR%为()
A.90.00% B.93.26% C.92.50% D.87.50% E.50.26%
PAR%为()A.93%B.0.87‰C.90%D.95%E.28%
单项选择题PAR%为()
A.93% B.0.87‰ C.90% D.95% E.28%