Which of the following has the largest number of computer hosts at present?
A.Asia universities.
B.European websites.
C.English-speaking countries.
D.American academic institutions.
第5题
A.G(jw)=G(s)|s=jw
B.G(s)=F[w(t)]
C.G(s)=L[w(t)]
D.G(jw)=F[w(t)]
第6题
中国药典中精密标定的滴定液浓度单位是
A.g/ml
B.mg/ml
C.mol
D.g/100ml
E.mol/L
第8题
常规实验室进行总蛋白浓度测定采用的单位是()
A.g/L
B.mg/L
C.g/dl
D.mmol/L
E.mol/L
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