问题
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Which word is an international distress signal when transmitted by radiotelephone ().
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What is the state of a process if a resource is not available? (Intel)
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What is the state of a process if a resource is not available? (Intel)
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Which is NOT a distress signal ().A.A continuous sounding with any fog signal apparatusB.A
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What is the "seven minutes of terror" according to NASA engineers?A.Rover"s signals will d
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What is NOT true of directed communication?A. The