世代交替(alternation of generations)
相似题目
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The output voltage of a three-phase alternator is regulated by the ().
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()is a function of the reactive / resistive characteristics of the load items and cannot be adjusted by manipulating the alternator control devices.
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Patients" bills of rights require that they () informed about their condition and about alternatives for treatment.
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世代交替(alternation of generation)
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The frequency of an alternator is controlled from the main switchboard by adjusting the()
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All of these alternatives are carbon-based fuels()molecules are smaller and simpler than those of gasoline.
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The operation of () two alternators requires the voltages to be equal and also in phase.
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() is provided to alternators, in the event of prime mover failure to ensure that the alternator does not act as a motor.
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Possible phase relationships between voltage and current in an alternating current circuit include which of the following conditions?()
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交替生长(Alternative growth)
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An alternator switchboard has a synchroscope and synchronizing lamps, if the synchroscope is broken, which of the steps listed is the most essential before an alternator can be paralleled with the bus ()
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In an alternating current electrical system, a low system power factor is a direct sign of ()
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The division of kilowatt load between two paralleled alternators is determined by the ()
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The operation of paralleling two alternators requires the voltages to be ()and also in phase.
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The frequency of the alternating current generated by a synchronous generator is governed by the speed and the()
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Which of the following components are used to convert alternating current produced in the generator windings to direct current?()
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The frequency output of an operating alternator is controlled by the ().
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The order of Heavenly Horse and that of Sea Horse can be changed alternatively.
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What is the implying meaning of “Alternative Rock”?
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There can be a formal assessment of purchase alternatives in business-to-business transactions.
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One assumption of rationality is that we cannot know all of the alternatives.()
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What is the alternative name of the World Bank?
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Genera Technologles 0rders 25 Inore tests before the elld of the year.
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Two parties of the US alternate in governing. The two main parties are___()
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