1 }
h(hun)|(zh)˜ʡmõą^(q)( )
A.Ҏ(gu)^(q)
B.l(xing)
C.F·ɾɂ(c)
D.C܇wCͨ^a(chn)Ӱ푵ą^(q)
E.(ni)Ӻɂ(c)
_𰸣A,B,C,E,
2 }
õ،ڡh(hun)|(zh)˜ʡ^(q)( )
A. r(nng)
B.Va(chn)r(nng)
C.Va(chn)߲˵
D.ʽˮԴ
_𰸣A,C,
3 }
ijSa(chn)̿200fS(ni)O(sh)偠tһԓĿh(hun)Ӱu r(yng)(zh)( )
A.偠tȾŷŘ˜ʡ
B.tȾŷŘ˜ʡ
C.h(hun)՚|(zh)˜ʡ
D.ȾCŷŘ˜ʡ
E.ȾŷŘ˜ʡ
_𰸣A,B,C,D,E,
4 }
ȾCŷŘ˜ʡO(sh)õָ( )
A.ͨ^ŚͲŷŵďUضֵ
B.ͨ^ŚͲŷȾSŷŝ
C.ŚͲ߶Ҏ(gu)ȾSŷ
D.oMŷȾO(jin)c(yng)ıO(jin)؝ֵ
_𰸣B,C,D,
5 }
(j)ˮCŷŘ˜ʡˮֹ½ۿڵ()
A.܅^(q)
B.܅^(q)
C. رˮ܅^(q)ˮ
D.δˮԴo^(q)Ģرˮ܅^(q)ˮ
_𰸣C,
6 }
ˮCŷŘ˜ʡҎ(gu)ĵһȾ( )
A.~
B .i
C .k
D.U
_𰸣C,D,
7 }
ڡI(y)I(y)Sh(hun)ŷŘ˜ʡҎ(gu)ă(ni)( )
A.I(y)I(y)̶O(sh)S畃gֵ
B.I(y)I(y)̶O(sh)Sh(hun)ŷֵ
C.I(y)I(y)̶O(sh)Sh(hun)y
D.I(y)I(y)̶O(sh)Sh(hun)yY(ji)
_𰸣B,C,D,
8 }
(j)I(y)I(y)Sh(hun)ŷŘ˜ʡSh(hun)y _()
A.y(yng)ڟoѩoLС10m/sM
B.SЇ(yng)ڏS1mڇ0.5mλO(sh)Üyc
C.ÿΜyǰڜyF(xin)(yng)yxMWУǰУʾ ֵƫô1.0dB
D.SO(sh)ڏS1m߶1.2mO(sh)Üyc⣬ͬr Ӱн1m̎O(sh)yc
_𰸣B,D,
9 }
(j)ȾƘ˜ʡxַ(yng)_ą^(q) ()
A.(jng)օ^(q)
B.Ƭһr(nng)
C.ɳ^(q)
D.Ҏ(gu)^(q)
_𰸣C,D,
10 }
һ㹤I(y)wUA桢̎ÈȾƘ˜ʡҎ(gu)Ģַx Ҫ( )
A.(yng)_ӡܶ^(q)
B.xڵˮҪao^(q)
C.xڽˮλµĞ
D.ˮλ(yng)ڲˮ1. 5m
_𰸣A,D,