A.无线通讯技术
B.室内定位技术
C.家庭总线技术
D.人体感知技术
A.Civil Engineering
B.Military Engineering
C.Domestic Engineering
D.Construction Engineering
(A number) of these (who) (study) engineering is improving (steadily).
A.A number
B.who
C.study
D.steadily
①estimation of software development cost
③earn & cost analysis of software development
③adjustment of software development progress
A.①only B.②and③ C.①and② D.all
Paul Brett ______ in a local Engineering Company for several years before he went to California. (work)