as
that
what
where
第1题:
A、EDI(Electronic Data Interchange)
B、GIS(Geographical Information System)
C、GPS(Global Positioning System)
D、IT(Information Teach)
第2题:
describes how to interact with the information system to accomplish specific tasks.
A.System specification
B.Program specification
C.User guide
D.System document
第3题:
the “american system“ of mass production was first used in ________________.
A. agriculture
B. textile industry
C. firearms industry
D. car industry
第4题:
第5题:
The GPS system was designed for ______ satellites.
A.3
B.12
C.18
D.24
第6题:
A. System image
B. Incremental backup
C. System state restore
D. Differential backup
第7题:
______ is not a factor which will affect the accuracy of GPS receiver.
A.detective Availability
B.local environmental conditions
C.autonomous mode versus differential correction mode versus RTCM mode
D.the averaging of recorded locations
第8题:
差分GPS(Differential GPS,DGPS)由:()组成
A、接收站
B、基准站
C、用户设备
D、监测站
第9题:
第10题: