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机动车在高速公路上遇前方交通受阻时，应当跟随前车顺序排队，并立即开启危险报警闪光灯，防止追尾。A.
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【单选题】Recent advances in remote sensing and geographic information have led the way for the development of______________Remote Sensing, which is an instrument called an"active sensor".
A.
spatial
B.
spectral
C.
radar
D.
laser
【多选题】Space remote sensing is based on the remote sensing of (_______)
A.
man-made earth satellite
B.
space shuttle
C.
spacecraft
D.
aircraft operating in space
【简答题】我国Internet的起步以1987年通过中国学术网(CANET)向世界发出第一封()为标志。
【单选题】In respect to the type of energy resources, the types of remote sensing can be divided into _________ remote sensing and __________ remote sensing.
A.
thermal; microwave
B.
thermal; radar
C.
microwave; radar
D.
passive; active
【单选题】What was the first remote sensing technique?
A.
Aerial photography, developed by the military
B.
Pigeons
C.
The precise measurements from photographs (height, distance, area);
D.
Vertical Air photo
【单选题】In respect to wavelength regions, remote sensing can be classified into three types. They are visible and reflective infrared remote sensing,______________infrared remote sensing and remote sensing
A.
thermal; microwave
B.
thermal; radar
C.
microwave; radio
D.
radar; radio
【简答题】阅读理解 In recent years, remote-sensing technologies have become ordinary in archaeological fieldwork (实 地考察). Such tools for excavation produce rapid results and cause no damage to archaeological sites....
【简答题】In respect to the type of energy resources,the types of remote sensing can be divided into ______ remote sensing and _________ remote sensing.
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