人流活产比(ratio of induced abortion and live birth)

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• The vertical component of the Earth’s magnetic field causes induced magnetism in vertical soft iron. This changes with latitude. What corrects for this coefficient of the deviation? （）

  A . The Flinders bar B . The heeling magnet C . Quadrantal soft iron spheres D . Bar magnets in the binnacle

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• The pitch ratio of a propeller is the mean pitch divided by （）.

  A . the propeller diameter B . the propeller radius C . the pitch angle D . the length of helix

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• The ratio of the height of a vessel’s rudder to its width is referred to as the（）.

  A . aspect ratio B . constriction ratio C . rudder ratio D . steering ratio

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• What are the only magnetic compass correctors that correct for both permanent and induced effects of magnetism?（）

  A . Quadrantal spheres B . Heeling magnets C . Athwartships magnets D . Fore-and-aft magnet

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• Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?（）

  A . compression must be low for effective spark ignition B . compression must be low for required horsepower and torque generation C . compression must be low to prevent pre-ignition D . compression must be low to have effective pre-ignitio

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• 人流活产比

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• Worn main bearing will cause the compression ratio of an auxiliary diesel engine to（）

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• What is the holding power ratio of an anchor? （）

  A . Maximum mooring line tension divided by the anchor's weight in air B . Anchor's weight in air divided by the maximum mooring line tension C . Preloading tension divided by the anchor's weight in air D . Operating tension divided by the anchor's weight in air

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• The ratio of output response to a specified change in the input is known as（）

  A . primary feedback B . deviation C . sensitivity D . dead band

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• Data deduplication ratios depend on many factors. However， deduplication ratios are generallygreater for what type of data？（）

  A . encrypted data B . compressed data C . archive data D . multiplexed data stream

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• Increasing the compression ratio of a diesel engine while maintaining the designed rate of fuel flow will result in （）

  A . increased horsepower B . reduced efficiency C . increased heat loss D . lower cylinder pressure

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• Specific gravity is a number representing the ratio of a mineral’s weight to the weight of an equal volume of ( ).

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• Which of the following may be an effective way of inducing sleep, according to the author?

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• Chemically induced colon carcinogenesis in rodents is also suppressed by _____ of NSAIDs.

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• Which contract type consists of - target costs & profit, ceiling prices and shared ratio of risk？

  A Cost Plus Incentive Fee B Cost Plus Percentage of Costs C Cost Plus Fixed Fee D Firm Fixed Price E Firm Fixed Price Plus Incentive

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• Embryonic stem （） cells can be induced, by the appropriate extracellular signal molecules, to differentiate in culture into a large variety of cell types:

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• If a company's current ratio declined in a year during which its quick ratio improved, which of the following is the: most likely explanation？______.

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• According to the study by the Institute of Psychology in Stockholm, overwork is likely to induce some diseases.

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• The ratio of housing prices to family income in China is lower than the usual standard.

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  是 否

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• For an asset with a price of 1000, which of the following price targets is least likely based on Fibonacci ratio？

  A．618. B．1294. C．1618.

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• A t-test is a ratio of__ to __（）

  A．expected values; observed values B．between-group differences; within-group differences C．success; failure D．highest scores; lowest scores

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• Which factor induce the increase of the airway radius（）

  A．excitation of sympathetic nerve B．excitation of parasympathetic nerve C．release of histamine D．release of leukotrienes E．release of endothelin

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• Price-to-book value ratios are most appropriate for measuring the relative value of a:

  A、bank. B、Manufacturing company. C、Mature technology company.

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