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An universal equation, which can be directly used to compute the compensation resulted by the surface roughness, was deduced according to the flat-bottomed echo formula.
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根据大平底回波声压公式推导出了工件表面粗糙度和补偿量之间的关系，可直接通过计算得到表面粗糙度引起的衰减量。 |
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An unjust peace is better than a war for justice.
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不公正的和平比一场寻求公正的战争好得多。 |
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An unknown error occurred.
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发生了一个不明错误。 |
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An unknown number of development processes that bridge known but uncontrolled processes are unidentified.
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那些在已知的但未经控制的过程之间尚有未知数量的开发过程未被确认。 |
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An unlikely scenario, but I wouldn't want to exclude anything too early.
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一种不太可能的假想，但是我不想太早排除任何可能性。 |
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An unlimited arms race may well increase the danger of war.
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无限度的武器竞赛当然会增加战争的危险性。 |
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An unlimited horizon.
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无限的地平线 |
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An unmanageable child.
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难以驾驭的小孩 |
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An unmanned American spacecraft has made the first ever landing on an asteroid.
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一艘美国无人驾驶探测器在一个小行星上首次着陆。 |
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An unmanned Delta rocket blasted off from Florida before dawn, carrying the Phoenix Mars Lander.
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在佛罗里达州，运载“凤凰号”火星探测器的德尔塔火箭顺利点火升空。 |
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An unmanned Russian supply ship has now docked securely with the International Space Station following an earlier unsuccessful attempt.
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经过先前一次失败的尝试后，俄罗斯无人驾驶供给飞船现已安全停靠国际空间站。 |
