λmean=3λmin
λmean=2.5λmin
λmean=2λmin
λmean=1.5λmin
λmean=λmin
第1题:
x线平均波长(λmean)与最短波长(λmin)的 关系是
A.λmean =3λmin
B.λmean =2.5λmin
C.λmean =2λmin
D.λmean =l.5λmin
E.λmean=λmin
第2题:
A.mean(x)=Me=Mo
B.mean(x)<Me<Mo
C.mean(x)>Mo>Me
D.mean(x)
第3题:
X线平均波长(λmean)与最短波长(λmean)的关系是
A.λmean=3λmin
B.λmean=5λmin
C.λmean=2λmin
D.λmean=5λmin
E.λmean=λmin
第4题:
X线平均波长(λmax)与最短波长(λmax)的关系,正确的是
A.λmean=3.5λmin
B.λmean=3.2λmin
C.λmean=2.8λmin
D.λmean=2.5λmin
E.λmean=2.2λmin
第5题:
X线平均波长(λmean)与最短波长(λmin)的关系,正确的是
A、λmean=3.5λmin
B、λmean=3.2λmin
C、λmean=2.8λmin
D、λmean=2.5λmin
E、λmean=2.2λmin
第6题:
x线最强波长(λmax)与最短波长(λmin)的关系是
A.λmax =0.5λmin
B.λmax =λmin
C.λmax =1.5λmin
D.λmax =2λmin
E.λmax =2.5λmin
第7题:
A.0.925
B.-0.913
C.0.957
D.0.913
第8题:
X线最长波长与最短波长的关系是
A.λmax=0.5λmin
B.λmax=1.5λmin
C.λmax=2.0λmin
D.λmax=2.5λmin
E.λmax=3.5λmin
第9题:
X线平均波长(λmean)与最短波长(λmin)的关系是
A.λmean=3λmin
B.λmean=2.5λmin
C.λmean=2λmin
D.λmean=1.5λmin
E.λmean=λmin
第10题:
A.mean pilot channel output power-mean data channel output power
B.mean pilot channel output power+mean data channel output power
C.mean pilot channel output power-0.5*mean data channel output power
D.mean pilot channel output power+0.5*mean data channel output power