漏斗图(funnel plots)
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如果漏斗图呈明显的不对称,提示()。Ameta分析统计学检验效能不够Bmeta分析的各个独立研究的同质性差Cmeta分析的合并效应值没有统计学意义Dmeta分析可能存在发表偏倚Emeta分析...
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2、You should plot your dead reckoning po
You should plot your dead reckoning position().AFrom every fix or running fixBFrom every estimated positionCEvery three minutes in pilotage watersDOnly in pilotage water
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溶斗(corroded funnel)
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4、A dead reckoning (DR) plot().
A dead reckoning (DR) plot().Amust utilize magnatic coursesBmust take set and drift into accountCshould be replotted hourlyDshould be started each time the vessels position is fixed
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漏斗骨盆(funnel shaped pelvis)
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漏斗胸(funnel chest)