The transmission time duration of a single pulse of radio-frequency energy is a function of the().
相似题目
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Which of the following can be used in hydraulic transmission system?()
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The range of a SSB transmission is MOST affected by().
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()conveys a signal of desired rudder angle from the bridge and activates the power unit and transmission system unit the desired angle is reached.
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The center line condition of the transmission shaft can be checked by()
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The transmission system is the means ()the movement of the rudder is accomplished.
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What is the default maximum transmission unit on the Cisco router ATM interface?()
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One method of reducing the length of radio transmissions without distorting the meaning of your words is by using().
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Regarding PAR (Positive Acknowledgement and Re-transmission), which of the answer choices below are correct?()
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Uncharted lights,fog signals and radar beacon transmissions may be()near the station.
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Which is not the maintenance work for shaft bearings in transmission system?()
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Calibration Stations give special transmissions for the calibration of ship’s().
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In optical transmission systems, chirped lasers are used for the purpose of:().
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The transmission of messages respecting the dangers specified is free()cost to the ships concerned.
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____ are chemical messengers in the transmission of impulses that trigger the receptors on the next nerve cell’s dendrites to produce a new electrical current.
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214. The word ____________ indicates that the message transmission is ending.
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TCP/IP is the Internet protocol which governs the transmission of data over the network
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The charge for a telex is not based on the distance the message has to travel and the time spent in transmission. ()
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In the trade of modern society the transmission of information plays as important a role as__________
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0111The transmission system is the means ______ the movement of the rudder is accomplished.
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当输气站间距离缩短一半时,输气能力将增大()%。When the distance between gas transmission stations is cut in half, the gas transmission capacity will increase by 41%.
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What do scientists say about the transmission of the swine flu virus?
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Uncharted lights and radar beacon transmissions may be ________ near the station.
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The disadvantage of optical fiber communication is high transmission loss. ()
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Order processing is the receipt and transmission of sales order information, its main tasks involve ().
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