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【简答题】
苯的沸点80.1℃，在常温下容易挥发，形成较大的蒸气压，易经呼吸道吸收
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皮皮学刷刷变学霸
举一反三
【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】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】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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