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【多选题】
润滑系的作用有( )A.
润滑
B.
密封
C.
散热
D.
清洗
E.
防锈
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举一反三
【单选题】In early 2004 eight tiny sensors were dropped from a plane near a military base in California. After hit ting the ground, the sensors—also known as smart dust sensors organized themselves into a netwo...
A.
giving troops their protective gear
B.
organizing themselves into a computer network
C.
detecting the movement of military vehicles nearby
D.
operating in remote and dangerous War zones
【单选题】__________sensors are able to detect targets autonomously
A.
Position and movement
B.
Non-cooperative
C.
Exteroceptive sensors
D.
ex-proprioceptive ones (sensors)
【简答题】阅读理解。 Head above Water TUVALU, a tiny country in the Pacific Ocean, has asked for help as it will be swallowed up by the sea. Storms and huge waves are a constant threat and none of Tuvalu's nine litt...
【单选题】In early 2004 eight tiny sensors were dropped from a plane near a military base in California. After hitting the ground, the sensors—also known as smart dust sensors—organized themselves into a networ...
A.
giving troops their protective gear
B.
organizing themselves into a computer network
C.
detecting the movement of military vehicles nearby
D.
operating in remote and dangerous War zones
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