And their interference with smooth fluid flow can decrease fuel efficiency by up to 40 percent, a major problem for large vessels.
它们能减少大约40%的燃料利用效率,这对大船来说是个主要问题。
Results: When the appropriate moving smooth coefficient was used, the quality control method of the patient's moving average not only could exclude the nonrandom interference from patient's samples, but also could well reflect the influence of some factors before the tests.
结果:当选用适当的移动平滑系数时,移动平均数质控法既能排除病人标本非随机性的干扰,又能很好地反映试验前因素的影响。
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